Bounds are now correctly displayed with horizontal sorts.
Prevented drag'n'drop with right click, cleared a unused method of PHScene.
Installing millisecond-sensitive timer to compare old and new application performances
Merge pull request #40 from AurelienHP/master

Installing millisecond-sensitive timer
Merge pull request #39 from clefeuvre/master

Bounds are now correctly displayed with horizontal sorts.
Affichage
Debug simplified model
OpeningTime now replaces RenderingTime in order to show real opening time instead of rendering time
Merge pull request #41 from AurelienHP/master

OpeningTime now replaces RenderingTime
Merge branch 'master' of https://github.com/pgroubioinfo/pgrou

Conflicts:
	headers/GSort.h
	src/gfx/GAction.cpp
	src/gfx/GSort.cpp
Merge branch 'master' of https://github.com/pgroubioinfo/pgrou
Merge bugs fixed