Update CHANGELOG
Bump to 0.5.1
Fix conflict with Redcloth
Added powered by translation
Fix typo
Added missing batch actions translations leading to no labels (see PR #1788)
Merge pull request #1814 from EtienneDepaulis/missing_batch_actions_translations

Added missing batch actions translations leading to no labels (see PR #1788)
Merge pull request #1807 from adrienkohlbecker/master

Fix #1805 conflict with Redcloth
Update CHANGELOG
Merge pull request #1810 from kieranklaassen/patch-1

Added powered by translation