Merge pull request #1729 from mahagr/master

Fix \" issue in languages and wrong information displayed after profile failed to save
Merge pull request #1730 from mahagr/master

Improve SEO and add a new security feature
Merge pull request #1731 from mahagr/master

 Improvements to #1720
Merge pull request #1733 from mahagr/master

Fix login module redirection, add KunenaModule base class for all modules
UseUndeclaredVariable $avatar in backend /controllers/users.php
Merge pull request #1735 from xillibit/k30_bugs10

UseUndeclaredVariable $avatar in backend /controllers/users.php
Backend Translation missing from the users template file #1736
Merge pull request #1738 from xillibit/k30_bugs10

#1736 Backend Translation missing from the users template file
#1734 Static Analysis Results (second try)
Merge pull request #1740 from xillibit/k30_bugs17

#1734 Static Analysis Results (second try)
Merge pull request #1742 from mahagr/master

Fix #158: Clean cache, Fix small bug in alias redirection inside routing
Improve automated updates
Add support for Akeeba restore points (future version which will support packages)
Merge branch 'master' of github.com:Kunena/Kunena-2.0
Update all languages