Fix some language-files.
Loads faster if song-folder doesn't exist.
Webserver: Show message if there is a problem with init.
Update of .gitignore
Do some cleanup (remove unneeded, old client-server-stuff), another update of .gitignore
Update installer.
Update QRCoder.dll
Merge pull request #102 from flokuep/develop

Some minor improvements
Better handling of assembly loader
Rename File/Folder name variables to distinguish them from real (full) paths
Make sure full path is used everywhere (if I didn't miss anything)
Merge branch 'develop' of git://github.com/Vocaluxe/Vocaluxe into develop
Fix crash at song end
Fix wrong song name showing in party mode
Fix crash on closing a sound stream