(1) Removed the call to glfwDefaultWindowHints() from Context::create() so that the hints set in prepareFomrate() are not overridden.
Fix NamedStringHelper

NamedStrings have to start with /
Add shader include path support for OpenGL implementation (refs #110)

not yet supported in the fallback solution with the preprocessor
Add CompositeStringSource class (closes #112)
Use frameBufferResize in examples and add CheckGLErrors
General code review (closes #111)
Add more get methods to query
Merge branch 'master' into cmake_generalization