* Add correct git branch name validation
* Change git refname validation error constant name
* Implement URL validation based on GoLang url.Parse method
* Backward compatibility with older Go compiler
* Add git reference name validation unit tests
* Remove unused variable in unit test
* Implement URL validation based on GoLang url.Parse method
* Backward compatibility with older Go compiler
* Add url validation unit tests
* restrict creating organizations based on right on user
* revert bindata.go
* reverse vendor lib
* revert goimports change
* set AllowCreateOrganization default value to true
* revert locale
* added default value for AllowCreateOrganization
* fix typo in migration-comment
* fix comment
* add coments in migration
