Integrate public as bindata optionally (#293)

* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix

vendor/github.com/pingcap/go-themis/util.go

@@ -0,0 +1,22 @@
+package themis
+
+import "github.com/juju/errors"
+
+func errorEqual(err1, err2 error) bool {
+	if err1 == err2 {
+		return true
+	}
+
+	e1 := errors.Cause(err1)
+	e2 := errors.Cause(err2)
+
+	if e1 == e2 {
+		return true
+	}
+
+	if e1 == nil || e2 == nil {
+		return e1 == e2
+	}
+
+	return e1.Error() == e2.Error()
+}