[cogl] (20 commits) Created branch wip/example-crate

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/example-crate' was created.

Summary of new commits:

  8b3f73f... Add internal _cogl_init() function
  9870906... Adds another example that draws a 3D crate
  caa0fa2... framebuffer: expose viewport getters/setters
  a708a43... renderer: Expose winsys ID setter/getters
  b8eca41... docs: Add CoglRenderer documentation to 2.0 reference
  6aae90b... docs: Adds CoglDisplay symbols to 2.0 reference
  a5b6ea9... docs: Add swap-chain/onscreen-template to 2.0 reference
  4ab8a7e... docs: Fix typo to avoid duplicate section name
  8177b77... docs: fix stale include links
  430fe18... docs: Adds cogl-index/attribute-buffer syms to 2.0 referenc
  36c22d0... buffer: Improve the CoglBuffer API description
  b93b10e... 2.0 reference: make various fixups in cogl-sections.txt
  0f2030e... pipeline: fix layer change notify mutex rule
  9670cf8... pipeline: don't prune user pipelines
  66ab889... pipeline: Avoid reseting texture target for NULL textures
  a7c8afe... attribute: some some sentinal array left over logic
  a0afa64... replace public native_event APIs with typesafe APIs
  f62f851... work towards consistent platform file/symbol nameing
  71f6d16... Updates wayland symbol names to be consistent
  bf1271e... renderer: split win32 api out into separate header