adapted descriptions and added application

- changed description for QjackCtl to be less subjective and more infromative
- added Cadence to applications
- relaxed some line lengths
- added missing description for QJackConnect
modified patchage entry in app list

- link to new page (old one redirected anyway)
- added description (from drobilla.net)
Cleanup for Applications/Control Applications

- Added description for ALSA Patch Bay
- unify 'grammar' (i know, this sounds strange)
Added some Applications

- Catarina, Claudia, Carla
- put them uner "Control Applications" for now