[gimp-web/testing] (41 commits) ...Merge branch 'testing'

[Pat David <patdavid src gnome org>]

Summary of changes:

  db6dcf0... Fix downloads page to show *nix correctly (only) (*)
  befa32d... Removed protocol from SITEURL - made it //www.gimp.org (*)
  769afbd... Added 'testing' option to Makefile (*)
  a80b244... Revert "Removed protocol from SITEURL - made it //www.gimp. (*)
  6fec658... 2015 project report. Happy New Year! (*)
  01d7aa6... Merge branch 'testing' (*)
  5cd6054... Fixed news top padding on mobile (*)
  068aca8... Merge branch 'mobile-news-fix' (*)
  d5562cd... Merge branch 'testing' (*)
  ec282d3... Merge branch 'testing' (*)
  f899c63... Added permalink=True option to MD TOC (*)
  a46d712... Merge branch 'testing' (*)
  ce8ffee... Merge branch 'testing' (*)
  4a5b148... Merge branch 'testing' (*)
  23b97e2... Protocol-less SITEURL for other assets (*)
  dfcee29... Merge branch 'testing' (*)
  ea3db97... Fixed secondary src for video to https (*)
  e12fcc1... Merge branch 'testing' (*)
  094c82a... Merge branch 'testing' (*)
  0617c04... Merge branch 'testing' (*)
  72c65a3... Merge branch 'testing' (*)
  98c85c8... Merge branch 'testing' (*)
  d242511... Merge branch 'bugs-link' (*)
  0bb11e7... Publish news on the GEGL-OpenCL project (*)
  39f55d7... Merge branch 'testing' (*)
  7b1b9d3... Merge branch 'testing' (*)
  4e97ac8... Fix user FAQ titles. (*)
  1b62ce9... Merge branch 'gimp-installer-2.8.16-1' (*)
  7f8cd4f... Merge branch 'testing' (*)
  95d114b... Added news item about the windows installer corruption warn (*)
  aa5c1c7... Added pelican pid files (*)
  25289e4... Small fixes for the news post on installers and certificate (*)
  f19340e... Fixed spelling typo (*)
  629989a... Enabling mirrors plug-in for WGO (*)
  2bde30e... Merge branch 'gimp-2.8.16-2' (*)
  f49d784... Merge branch 'installer-signature-news' (*)
  9b8c785... Merge branch 'testing' (*)
  4c657ef... Merge branch 'testing' (*)
  77d02ea... Update 2.8.16 OS X download URL to the -1 release (*)
  5ca0046... Merge branch 'testing' (*)
  180a724... Merge branch 'testing' (*)

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