[helper] add tr_for helper with demodulizing object
[helper] translation helper for departments list
[routes] departments resources
[views] for departments
[migrate] departmens and department translations tables
[controller] departments
[model] department
[factory] department factory
[spec/controller] departments
[spec/model] depratment
[spec/request] departments views
[locale] department locales + menu
gitingore
[menu] admin deparment link
Merge branch 'master' into departments

Conflicts:
	core/db/migrate/20131014065028_gaku_core.rb
[migrate] add departments to translations migration
[seed] basic department seed
[view/js] use j render in department new.js.erb
[migrate] fix string to symbol + use t.timestamps
Merge pull request #236 from Genshin/departments

Departments