[cogl/msvc-support] (8 commits) ...Update Visual C++ support

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

Summary of changes:

  bdfaf94... tests: Port blend-strings to test both the legacy and the n (*)
  1f61868... x11-tfp: don't call winsys x11_damage_notify without winsys (*)
  5ab0b38... pipeline: don't leak the layers_cache (*)
  339e630... Newly added Telugu translations (*)
  7669fdc... examples: Allow installing of examples (*)
  f628839... Mark the debug options for translation (*)
  547d841... Merge branch 'master' into msvc-support
  9e36cc1... Update Visual C++ support

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