[shaders] use trivial v/fshaders to assemble app
[app/qglviewer] milestone OpenGL4 running with simple data
[app/qglviewer] resources + stripped shader + now using QGLShaderProgram
[app/qglviewer] trackball controller partially integrated
[app/qglviewer] converted to safer QOpenGL calls
[app/qglviewer] about to convert to index buffer
[app/qglviewer] bug report qglviewer
[data] moved data folder to /data + minor changes

auto configure rule moved to main CMakeLists.txt
changed permissions & removed special attributes
Merge branch 'master' of https://github.com/OpenGeometry/OpenGP into qglviewer

Conflicts:
	apps/qglviewer/CMakeLists.txt