[cogl/msvc-support] (17 commits) ...Merge branch 'master' into msvc-support

[Chun-wei Fan <fanchunwei src gnome org>]

Summary of changes:

  17a558a... cogl-pipeline: Fix reference counting on promoting weak par (*)
  dae02a9... Move all of the GL function pointers directly to CoglContex (*)
  2b119b0... Use all core GL functions through indirect pointers (*)
  59f746d... cogl-context: Remove the driver private data (*)
  5f18197... Move the cogl texture driver functions to a vtable (*)
  b2e735f... Dynamically load the GL or GLES library (*)
  38b67e2... onscreen: make platform specific onscreen apis consistent (*)
  09e7174... Remove cogl_context_set_default API (*)
  c3b91da... fix namespace for cogl_context_egl_get_egl_context (*)
  c6b0efb... Adds examples/crate to .gitignore (*)
  40970ce... dist: give 2.0 manual unique DOC_MODULE name (*)
  d7bbc44... dist: Make sure to dist cogl-winsys-egl-feature-functions.h (*)
  6b66679... build: Correctly quote the help message for --enable-profil (*)
  36e9774... build: Fix the help string for --enable-profile (*)
  711a817... pipeline: Plug a leak of GLists (*)
  221850e... pipeline: NULLify deprecated_get_layers_list on copy (*)
  b7910af... Merge branch 'master' into msvc-support

(*) This commit already existed in another branch; no separate mail sent