fix bug#1674 no notification shown to usr once system language is changed by LiKe
fix bug#1618 success message not affected by language change on home page by LiKe
fix bug #1624 on export photowall id should be a little lower and  made a little bolder by LiKe
make rapidftr support Chinese by KeLi
fix bug, when create new form, let the name to be blank and save it, it puts  message 'The name '' is already taken' which is wrong
add test for bug, when create new form, let the name to be blank and save it, it puts  message 'The name '' is already taken' which is wrong
add test for bug #1674
add test for bug #1618
fix bug#1797 Editing form section/field allows empty values in system base language by LiKe
remove unnecessary comments
Merge branch 'master' of git://github.com/LiKethoughtworks/RapidFTR into pull-req-490
Merge pull request #501 from farismosman/master

Merging pull request 490