Dont store config in config folder, store in data folder instead.


git-svn-id: http://cantata.googlecode.com/svn/trunk@4869 b1e49159-3266-923f-9c3e-04f16369770a
Try to store user-folder mess.
- Remove configDir, this is never used
- Use Qt functions for windows, mac, and ubuntu builds
- For Linux builds, cache returned locations and fix so that ~/.local/share/data/cantata/cantata -> ~/.local/share/cantata and ~/.cache/cantata/cantata -> ~/.cache/cantata


git-svn-id: http://cantata.googlecode.com/svn/trunk@4870 b1e49159-3266-923f-9c3e-04f16369770a
Fix Qxt Qt5 build?


git-svn-id: http://cantata.googlecode.com/svn/trunk@4871 b1e49159-3266-923f-9c3e-04f16369770a