[IMP] tests cases: use float_compare instead of ==
[IMP] Improved Question Advices in website_forum
[IMP]Improved language feature:Added button in tree of language to active/deactive,Added alertbox in all for translation,deactive english lang when db create with anyother lang,Added constraint when try deactive prefferd language,

[IMP]Improved feature:1.when deactive base lang:seted last loaded language in base lang,seted base lang on partner and user,loaded translation which language is active or inactive,2.seted active true when try to load language and when it is deactive.

[IMP]Added disable/enable button in form view of language same as publish/unpublish, for that added widget,template,css class.

[IMP]Added language.sass file,passed contex in some method.