* upgrade xorm to v0.7.9 to fix some bugs

* upgrade xormstore to v1.3.1

* fix error log when loading issues caused by a xorm bug

* upgrade packages

* fix fmt

* fix Consistency

* fix tests

* use created & updated instead BeforeInsert & BeforeUpdate

* fix vendor checksum

* only show generated SQL when development mode

* remove extra update column updated_unix

* remove trace config

* Update xorm to latest version

* Update xorm/builder

* update xorm and dependencies vendor for feature to dump to other database

* fix golint