Icon label characters now really displayed bold
Return of the secondary nav headline icons
Fixed search icon in small secondary navbar showing again
Exchanged "File Management" and "Extend Bolt" icon
Move footer styles into own file
Generated files
Merge pull request #1644 from rarila/layout-sidebar

Fixes and enhancements to secondary nav
CRLF to LF conversion
PSR-2 clean up of Composer/CommandRunner.php
PSR-2 clean up of Configuration/LowlevelChecks.php
PSR-2 clean up of Configuration/LowlevelException.php
PSR-2 clean up of Configuration/ResourceManager.php
PSR-2 clean up of Controllers/Async.php
PSR-2 clean up of Controllers/Backend.php
PSR-2 clean up of Controllers/Cron.php
PSR-2 clean up of Controllers/Extend.php
PSR-2 clean up of Controllers/Frontend.php
PSR-2 clean up of Controllers/Upload.php
PSR-2 clean up of Database/IntegrityChecker.php
PSR-2 clean up of DataCollector/BoltDataCollector.php