New WindowGL interface
Tested with trianle new window interface (win32)
Added name as argument of WindowGL constructor. Recoded WindowGLLinux.
Fixed WindowGL constructor
Porting window GL creation on linux
Changed fragment shader in triangle test to make it compatible with GLSL 1.2
Fix in WindowGLLinux. Context creation using existing visual not FBconfig
Fix type error in WindowGLLinux
reverted to Old WindowGLLinux.
Stable version of WindowGLLinux
Finally window creation using FBConfigs (GLX 1.3)
Fixed context creation in windowGLLinux using FBConfigs
Compiled and tested WindowGL creation in odroid with triangle test
Merge branch 'master' into newWindowGL

Conflicts:
	test/triangle/src/shaders/fTriangleShader.fragment
Added time class
Fixed namespace of time util
Added project to test performance between CPU and GPU
First approx of sobel performance test. sobel process is 20 times faster in GPU than in CPU. But GPU needs the image to be uploaded. ¿Why so slow? ¿May be SOIL trouble? Design performance improvements with double threading etc...
Added constructor to Texture class to build texture from an array of data.
Testing texture loading with raw array