Function Manager: started working on folders implementation
Merge branch 'master' into folders
Functions Manager: moved paths in a separate column
First working version of folders in Function Manager

TODO: delete and all the evil cases
Merge branch 'master' into folders
4.5.1 Fr Translation corrections
Virtual Console: fixed audio triggers loading wrong number of bars
Virtual Console: fixed audio triggers missing calculation of absolute DMX channels address
Other Fr corrections 4.5.1
Merge pull request #192 from NiKoyes/master

French translations for 4.5.1
Virtual Console: fixed AudioBar widget assignment

Added VC widgets lookup table for faster retrieve of VC widgets by ID
Input/Output: improved audio device selection
Forgot to clear widgets map
Added fixture: Pro-Lights LumiPar 7QPro (thanks to Lorenzo Andreani)
Added fixture: Pro-Lights LedPar 64363 RGB (thanks to Lorenzo Andreani)
Merge branch 'master' into folders
Function Manager: it is now possible to recursively delete folders
Function Manager: fixed some more deletion cases
NEW: Function Manager: added folders with drag & drop functionality
Function Manager: set modified doc on folders operations.

Updated translations