Removed the Bound<Object> class template

- Also updated the remaining examples using it.
Minor fixes in one of oglplus examples
Merge branch 'release-0.44.0' into develop

Conflicts:
	include/oglplus/context/binding.hpp
Updated the cloud_trace blender2csv tool
Minor documentation updates
Multiple changes

- Added the DefaultTexture class.
- Added the NoVertexArray, NoBuffer, NoRenderbuffer, NoProgram,
  NoProgramPipeline and NoSampler classes.
- Updated context::Binding.
- Updated examples to show the new features.
Updated the configure.py script

- Added the --search-dir option.
Added the ExposeGLName function

- Closes #62.
Updated the configure script
Minor update in shapes::ObjMesh

- Fixed #64.
Multiple changes

- Added new forward declarations.
- Minor changes in error info binding queries.
Added wrappers for NV_shader_buffer_load
Added wrapper for NV_texture_barrier
Updated the Capability enumeration
ARB_robustness-related changes

- Added the ARB_robustness class.
- Added the GraphicsResetStatus enumeration.
- Added the ResetNotificationStrategy enumeration.
- Updated the ContextFlagBit enumeration.
Refectoring of string related functions

- Moved the definition of aux::EmptyString to EmptyString
- Renamed auxiliary/strings.[ih]pp to auxiliary/obj_desc.[ih]pp.
Multiple changes

- Updated header includes.
- Minor changes in the build system.
Multiple changes

- Updated header includes.
- Added sources for building oglplus, oalplus and eglplus libraries.
Minor fixup in configure.py
Moved forward declarations to oglplus/fwd.hpp