Use apiextension v1

- upgrade from apiextension v1beta1 to v1
 - generate yaml manifest for crd intead of applying it at runtime
  - users will have to apply the manifest with kubectl
 - kg and kgctl log an error if the crd is not present
 - now validation should actually work

Signed-off-by: leonnicolas <leonloechner@gmx.de>

vendor/github.com/gobuffalo/flect/humanize.go

@@ -0,0 +1,35 @@
+package flect
+
+import (
+	"strings"
+)
+
+// Humanize returns first letter of sentence capitalized.
+// Common acronyms are capitalized as well.
+// Other capital letters in string are left as provided.
+//	employee_salary = Employee salary
+//	employee_id = employee ID
+//	employee_mobile_number = Employee mobile number
+//	first_Name = First Name
+//	firstName = First Name
+func Humanize(s string) string {
+	return New(s).Humanize().String()
+}
+
+// Humanize First letter of sentence capitalized
+func (i Ident) Humanize() Ident {
+	if len(i.Original) == 0 {
+		return New("")
+	}
+
+	var parts []string
+	for index, part := range i.Parts {
+		if index == 0 {
+			part = strings.Title(i.Parts[0])
+		}
+
+		parts = xappend(parts, part)
+	}
+
+	return New(strings.Join(parts, " "))
+}