* General refactor of the cmd package

* Address breakage in runCreateUser

* Place "common" functions into cmd.go

* improve protected branch to add whitelist support

* fix lint

* fix style check

* fix tests

* fix description on UI and import

* fix test

* bug fixed

* fix tests and languages

* move isSliceInt64Eq to util pkg; improve function names & typo

* move all database operations from hook command to web command and instead of internal routes

* bug fixed

* adjust the import path sequences

* remove unused return value on hookSetup

* umcomment force push detect to fix bug #1073

* fix #1086

* handle global config set and fix #1086

* move all push update to git hook post-receive and protected branch check to git hook pre-receive

* add SSH_ORIGINAL_COMMAND check back

* remove all unused codes

* fix the import

* git: delegate all server-side Git hooks (#1623)

* create hooks directories

* take control hooks back

* fix lint

* bug fixed and minor changes

* fix imports style

* fix migration scripts