GLMixer Code

Changed the set of selected Sources to private in the View class ; add methods to access the selection accordingly, and safe creation and adjustment of the selection source (dummy) for geometry modification.
Fixed bugs due to manipulation of selection (multiple sources) in every views.
Fixed error in glmixer ui file.

Edited wiki page UserManual through web user interface.

Added action "Reset current source"

Added action toggle modifiable source.
Uniformity of actions in every views ; added META modifier to act on view. Shift modifier for 'special' actions like special panning (move background but not the sources).

Added a aspect ratio icon. Changed screen related icons.

Added a aspect ratio icon. Changed screen related icons.

Uniform implementation of transition and blending of output through session switcher. Changed GUI for output preview to add a manual control of output level.
Fixed bugs in fullscreen action.
Started implementation of sources 'modifiable' attribute (to allow to make some of them not modifiable)

New signal to request fullscreen from output window. Detect fullscreen mode to avoid progress bar when presenting.

added error message when not finding OpenCV

Added keys to switch to next / previous sessions from the presentation mode (output window) and fixed bug in GUI for file dialog