Add more vector constructors to glow::Array (closes #119)
Fix overriding CMAKE_BUILD_TYPE variable if already set.
Merge remote-tracking branch 'origin/master' into mckesson-tutorial-examples
Add comment in frag-position.frag shader and main.cpp to highlight the difference in the results when run on retina/high-resolution displays. Change window size to 500x500 in first tutorial to comply to original tutorial.
Rename main.cpp to FragPosition.cpp and adapt CMakeLists.txt accordingly.
Add VertexColors.cpp (copy of FragPositions.cpp atm.) and adapt CMakeLists.txt accordingly.
Add vertex shader and fragment shader for tutorial 2.2 of chapter 1 (used in VertexColors.cpp).
Add image2D methods with target parameter to Texture in order to support cubemaps
Merge remote-tracking branch 'origin/master' into vector_constructors_on_glow_array
Merge pull request #125 from hpicgs/vector_constructors_on_glow_array

Add more vector constructors to glow::Array (closes #119)
Fix noexcept for visual studio
Fix segfaults when exiting glow programs
Merge branch 'master' of github.com:hpicgs/glow
Adapt CMakeLists.txt to include the first further studies target and executable. Add FragPosition-FurtherStudies extension of the FragPosition tutorial. Changes/fixes in VertexColors.
Merge remote-tracking branch 'origin/master' into mckesson-tutorial-examples