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diff --git a/vendor/github.com/jinzhu/inflection/inflections.go b/vendor/github.com/jinzhu/inflection/inflections.go
new file mode 100644
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+++ b/vendor/github.com/jinzhu/inflection/inflections.go
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+/*
+Package inflection pluralizes and singularizes English nouns.
+
+		inflection.Plural("person") => "people"
+		inflection.Plural("Person") => "People"
+		inflection.Plural("PERSON") => "PEOPLE"
+
+		inflection.Singular("people") => "person"
+		inflection.Singular("People") => "Person"
+		inflection.Singular("PEOPLE") => "PERSON"
+
+		inflection.Plural("FancyPerson") => "FancydPeople"
+		inflection.Singular("FancyPeople") => "FancydPerson"
+
+Standard rules are from Rails's ActiveSupport (https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflections.rb)
+
+If you want to register more rules, follow:
+
+		inflection.AddUncountable("fish")
+		inflection.AddIrregular("person", "people")
+		inflection.AddPlural("(bu)s$", "${1}ses") # "bus" => "buses" / "BUS" => "BUSES" / "Bus" => "Buses"
+		inflection.AddSingular("(bus)(es)?$", "${1}") # "buses" => "bus" / "Buses" => "Bus" / "BUSES" => "BUS"
+*/
+package inflection
+
+import (
+	"regexp"
+	"strings"
+)
+
+type inflection struct {
+	regexp  *regexp.Regexp
+	replace string
+}
+
+// Regular is a regexp find replace inflection
+type Regular struct {
+	find    string
+	replace string
+}
+
+// Irregular is a hard replace inflection,
+// containing both singular and plural forms
+type Irregular struct {
+	singular string
+	plural   string
+}
+
+// RegularSlice is a slice of Regular inflections
+type RegularSlice []Regular
+
+// IrregularSlice is a slice of Irregular inflections
+type IrregularSlice []Irregular
+
+var pluralInflections = RegularSlice{
+	{"([a-z])$", "${1}s"},
+	{"s$", "s"},
+	{"^(ax|test)is$", "${1}es"},
+	{"(octop|vir)us$", "${1}i"},
+	{"(octop|vir)i$", "${1}i"},
+	{"(alias|status)$", "${1}es"},
+	{"(bu)s$", "${1}ses"},
+	{"(buffal|tomat)o$", "${1}oes"},
+	{"([ti])um$", "${1}a"},
+	{"([ti])a$", "${1}a"},
+	{"sis$", "ses"},
+	{"(?:([^f])fe|([lr])f)$", "${1}${2}ves"},
+	{"(hive)$", "${1}s"},
+	{"([^aeiouy]|qu)y$", "${1}ies"},
+	{"(x|ch|ss|sh)$", "${1}es"},
+	{"(matr|vert|ind)(?:ix|ex)$", "${1}ices"},
+	{"^(m|l)ouse$", "${1}ice"},
+	{"^(m|l)ice$", "${1}ice"},
+	{"^(ox)$", "${1}en"},
+	{"^(oxen)$", "${1}"},
+	{"(quiz)$", "${1}zes"},
+}
+
+var singularInflections = RegularSlice{
+	{"s$", ""},
+	{"(ss)$", "${1}"},
+	{"(n)ews$", "${1}ews"},
+	{"([ti])a$", "${1}um"},
+	{"((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)(sis|ses)$", "${1}sis"},
+	{"(^analy)(sis|ses)$", "${1}sis"},
+	{"([^f])ves$", "${1}fe"},
+	{"(hive)s$", "${1}"},
+	{"(tive)s$", "${1}"},
+	{"([lr])ves$", "${1}f"},
+	{"([^aeiouy]|qu)ies$", "${1}y"},
+	{"(s)eries$", "${1}eries"},
+	{"(m)ovies$", "${1}ovie"},
+	{"(c)ookies$", "${1}ookie"},
+	{"(x|ch|ss|sh)es$", "${1}"},
+	{"^(m|l)ice$", "${1}ouse"},
+	{"(bus)(es)?$", "${1}"},
+	{"(o)es$", "${1}"},
+	{"(shoe)s$", "${1}"},
+	{"(cris|test)(is|es)$", "${1}is"},
+	{"^(a)x[ie]s$", "${1}xis"},
+	{"(octop|vir)(us|i)$", "${1}us"},
+	{"(alias|status)(es)?$", "${1}"},
+	{"^(ox)en", "${1}"},
+	{"(vert|ind)ices$", "${1}ex"},
+	{"(matr)ices$", "${1}ix"},
+	{"(quiz)zes$", "${1}"},
+	{"(database)s$", "${1}"},
+}
+
+var irregularInflections = IrregularSlice{
+	{"person", "people"},
+	{"man", "men"},
+	{"child", "children"},
+	{"sex", "sexes"},
+	{"move", "moves"},
+	{"mombie", "mombies"},
+}
+
+var uncountableInflections = []string{"equipment", "information", "rice", "money", "species", "series", "fish", "sheep", "jeans", "police"}
+
+var compiledPluralMaps []inflection
+var compiledSingularMaps []inflection
+
+func compile() {
+	compiledPluralMaps = []inflection{}
+	compiledSingularMaps = []inflection{}
+	for _, uncountable := range uncountableInflections {
+		inf := inflection{
+			regexp:  regexp.MustCompile("^(?i)(" + uncountable + ")$"),
+			replace: "${1}",
+		}
+		compiledPluralMaps = append(compiledPluralMaps, inf)
+		compiledSingularMaps = append(compiledSingularMaps, inf)
+	}
+
+	for _, value := range irregularInflections {
+		infs := []inflection{
+			inflection{regexp: regexp.MustCompile(strings.ToUpper(value.singular) + "$"), replace: strings.ToUpper(value.plural)},
+			inflection{regexp: regexp.MustCompile(strings.Title(value.singular) + "$"), replace: strings.Title(value.plural)},
+			inflection{regexp: regexp.MustCompile(value.singular + "$"), replace: value.plural},
+		}
+		compiledPluralMaps = append(compiledPluralMaps, infs...)
+	}
+
+	for _, value := range irregularInflections {
+		infs := []inflection{
+			inflection{regexp: regexp.MustCompile(strings.ToUpper(value.plural) + "$"), replace: strings.ToUpper(value.singular)},
+			inflection{regexp: regexp.MustCompile(strings.Title(value.plural) + "$"), replace: strings.Title(value.singular)},
+			inflection{regexp: regexp.MustCompile(value.plural + "$"), replace: value.singular},
+		}
+		compiledSingularMaps = append(compiledSingularMaps, infs...)
+	}
+
+	for i := len(pluralInflections) - 1; i >= 0; i-- {
+		value := pluralInflections[i]
+		infs := []inflection{
+			inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
+			inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
+			inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
+		}
+		compiledPluralMaps = append(compiledPluralMaps, infs...)
+	}
+
+	for i := len(singularInflections) - 1; i >= 0; i-- {
+		value := singularInflections[i]
+		infs := []inflection{
+			inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
+			inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
+			inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
+		}
+		compiledSingularMaps = append(compiledSingularMaps, infs...)
+	}
+}
+
+func init() {
+	compile()
+}
+
+// AddPlural adds a plural inflection
+func AddPlural(find, replace string) {
+	pluralInflections = append(pluralInflections, Regular{find, replace})
+	compile()
+}
+
+// AddSingular adds a singular inflection
+func AddSingular(find, replace string) {
+	singularInflections = append(singularInflections, Regular{find, replace})
+	compile()
+}
+
+// AddIrregular adds an irregular inflection
+func AddIrregular(singular, plural string) {
+	irregularInflections = append(irregularInflections, Irregular{singular, plural})
+	compile()
+}
+
+// AddUncountable adds an uncountable inflection
+func AddUncountable(values ...string) {
+	uncountableInflections = append(uncountableInflections, values...)
+	compile()
+}
+
+// GetPlural retrieves the plural inflection values
+func GetPlural() RegularSlice {
+	plurals := make(RegularSlice, len(pluralInflections))
+	copy(plurals, pluralInflections)
+	return plurals
+}
+
+// GetSingular retrieves the singular inflection values
+func GetSingular() RegularSlice {
+	singulars := make(RegularSlice, len(singularInflections))
+	copy(singulars, singularInflections)
+	return singulars
+}
+
+// GetIrregular retrieves the irregular inflection values
+func GetIrregular() IrregularSlice {
+	irregular := make(IrregularSlice, len(irregularInflections))
+	copy(irregular, irregularInflections)
+	return irregular
+}
+
+// GetUncountable retrieves the uncountable inflection values
+func GetUncountable() []string {
+	uncountables := make([]string, len(uncountableInflections))
+	copy(uncountables, uncountableInflections)
+	return uncountables
+}
+
+// SetPlural sets the plural inflections slice
+func SetPlural(inflections RegularSlice) {
+	pluralInflections = inflections
+	compile()
+}
+
+// SetSingular sets the singular inflections slice
+func SetSingular(inflections RegularSlice) {
+	singularInflections = inflections
+	compile()
+}
+
+// SetIrregular sets the irregular inflections slice
+func SetIrregular(inflections IrregularSlice) {
+	irregularInflections = inflections
+	compile()
+}
+
+// SetUncountable sets the uncountable inflections slice
+func SetUncountable(inflections []string) {
+	uncountableInflections = inflections
+	compile()
+}
+
+// Plural converts a word to its plural form
+func Plural(str string) string {
+	for _, inflection := range compiledPluralMaps {
+		if inflection.regexp.MatchString(str) {
+			return inflection.regexp.ReplaceAllString(str, inflection.replace)
+		}
+	}
+	return str
+}
+
+// Singular converts a word to its singular form
+func Singular(str string) string {
+	for _, inflection := range compiledSingularMaps {
+		if inflection.regexp.MatchString(str) {
+			return inflection.regexp.ReplaceAllString(str, inflection.replace)
+		}
+	}
+	return str
+}