pugl - Personal pugl branch for bug fixes and opening up to allow other render backends

Age	Commit message (Collapse)	Author
2020-03-15	Add type and flags to world	David Robillard
	Unfortunately this is an API break, but there's no reasonable way to deprecate the old function and this is required for things to work correctly. The type will be used in following commits to tick the main loop and dispatch events correctly for either case.
2020-03-13	Strengthen warnings	David Robillard

2020-03-09	GL3 Demo: Set up and tear down GL on PUGL_CREATE and PUGL_DESTROY	David Robillard
	This eliminates the use of puglEnterContext().
2020-03-09	GL3 Demo: Factor out GL setup and teardown	David Robillard

2020-03-08	Add vsync command line options to demos	David Robillard

2020-03-08	Move demo programs to examples directory	David Robillard
	These are not really tests, but examples or demos, which has caused some confusion in the past. So, move them, and make room for actual tests.