Vi translation (#3703)
Vi translation (#3703)

* Translate into Vietnamese

* Translate and edit some Vietnamese strings

* update Vietnamese translate

* try to fix some error

* fix bugs with tab character

* update vi.coffee: play_level

* Update vi.coffee

* update vi.coffee

* update text on Home page

* Vietnamese: update legal

* vi.coffee: edit community page

* vi.coffee: update user's page

* vi.coffee: about page

* update vi.coffee

* update vi.coffee

* vi.coffee: invoices

* vi.coffee: account_prepaid

* update vi.coffee

* vi.coffee: error strings

* Update vi.coffee

* update vi.coffee

* vi.coffee: update contact form

* vi.coffee: minor update

* vi.coffee: update about page, modify some strings

* update vi.coffee

* vi.coffee: minor update

* no message

* Update vi strings, fix minor bug in page /community

* vi.coffee: update Adventure and Artisan

* vi.coffee: update Adventurer

* vi.coffee: reverse changes

* vi.coffee: reverse changes

* vi.coffee: update some strings

* vi.cofffe: update Diplomat

* vi.coffee: update Diplomat

* vi.coffee: update descriptions of classes

* vi.coffee: update Ambassador

* remove .cleafix div, will fix in another branch

* refactor ClansView #3138 #3488

* use initialize() in ClansView #3138 #3488

* update vi.coffee

* update vi.coffee

* exclude changes on ClansView

* vi.coffee: update play screen

* vi.coffee: update some strings

* vi.coffee: update createClass form

* vi.coffee: modify some strings on home page and teachers page

* minor fix

* vi.coffee: update some strings

codecombat/codecombat,javatlacati/codecombat,duybkict/codecombat,probil/codecombat,duybkict/codecombat,javatlacati/codecombat,zhangxiuquan/codecombat,jeremyprice/codecombat,jeremiahyan/codecombat,probil/codecombat,codecombat/codecombat,javatlacati/codecombat,codecombat/codecombat,Zerrien/codecombat,javatlacati/codecombat,kidaa/codecombat,fabichoi/codecombat,edtrist/codecombat,VilkkuV/codecombat,zhangxiuquan/codecombat,icodegame/codecombat,fabichoi/codecombat,Zerrien/codecombat,tpai/codecombat,kidaa/codecombat,icodegame/codecombat,probil/codecombat,VilkkuV/codecombat,kidaa/codecombat,jeremiahyan/codecombat,zhangxiuquan/codecombat,duybkict/codecombat,icodegame/codecombat,fabichoi/codecombat,icodegame/codecombat,jeremyprice/codecombat,duybkict/codecombat,Zerrien/codecombat,zhangxiuquan/codecombat,VilkkuV/codecombat,edtrist/codecombat,javatlacati/codecombat,jeremyprice/codecombat,probil/codecombat,codecombat/codecombat,edtrist/codecombat,fabichoi/codecombat,codecombat/codecombat,jeremyprice/codecombat,jeremiahyan/codecombat,kidaa/codecombat,Zerrien/codecombat,edtrist/codecombat,tpai/codecombat,VilkkuV/codecombat,tpai/codecombat,tpai/codecombat,jeremiahyan/codecombat