Merge pull request #1 from sopyer/master

Compilation issues with MSVC
Added Visual Studio example
Fixed compile error in VC2010 due to variable creation order.
Merge pull request #2 from Nairou/master

Fix for VC2010 compile error in GLFW template
Major rewrite of flextGL.
Update README.md
Update README.md
Replaced example files with larger CMake-based example.
Update README.md
Made example compile with Visual Studio.
Force download works again.
Merge branch 'master' of https://github.com/ginkgo/flextGL

Conflicts:
	example/CMakeLists.txt
	example/minimal.cpp
	example/minimal.frag
	example/minimal.vert
	examples/example.cpp
	examples/example.frag
	examples/example.vert
	examples/minimal.cpp
	examples/minimal.frag
	examples/minimal.vert
Adding wheezy.template windows installation guide.
Added alternative Makefile build script and documentation for example.
Removing outdated 'opengl' template.
Fixing issue with flextGL always downloading spec file.
Update templates/compatible/flextGL.c.template

Removing unused glfw.h include that was causing problems on systems without installed GLFW.
Adding GLFW3 template and updating example to use GLFW3
Merge branch 'master' of https://github.com/ginkgo/flextGL
Recovering overwritten Makefile.
Updating README.