bug card 1674, 1624,1618 1797 support Chinese,find bug in create new form and fixed 

add tests,   the error commit( 	6907a0c ) should changed to   
 unique = FormSection.all.all? { |f| id == f.id || name == nil||name.empty?||name!= f.name }

I don't know how to change the commit, so I paste it here.