Lang issue in system fr.xml
Cleans sample configuration files
Improves database.sample.php
System notes translation

And bug fixes and simplification in WLang
WLang: adaptation to new WLang structure
BS 3.1.0 + jQuery 1.11.0 + cleansing + bug fixes
Removed jquery 1.10.2 & installed jquery 2.1.0
Returns hash on mail send
Pass hash_action and hash_mail to the called action
Merge remote-tracking branch 'origin/0.4' into installer-reloaded
Update installer with new libs