Ignore password compat lib in PHPCS
PHPCS cleanup
Fix system tests for code changes
small corrections
 $ Adding tinyMCE Malay lang file
 $ Updating installation lang files: ca-ES, da-DK, es-ES, fr=FR, id-ID,
lv-LV, mk-MK, ms-MY, ru-RU, sr-RS, sr-YU, ta-IN
error in ms.js
Convert all addStyleSheet() to addStyleSheetVersion() and addScript() to addScriptVersion() of the administrator templates
Fix JFactory::getApplication() typos
Mediatag improvements

- Use the database to store and retrieve the media tag, in stead of the users session
- variable === null in stead of isnull() for small performance improvement
- Some other minor improvements and modifications
[imp] Feature #31602 add simple versioning to admin template css and js Edit
Coding standards
[imp] coding standards + small fixes
[imp] coding standards + improve 3pd integration + jlibraryhelper
Add purge assets & updates to fix database
Fix since tags in doc blocks
[fix] wrong function call. Thanks @mahagr
[imp] move JLibraryHelper to cms folder to be consistent with #2043
[fix] Re-add the flushAssets method to the new app structure
[fix] restore application classes