[gimp-web] (19 commits) ...Add installer for 2.8.16 and remove protocol from urls

[Michael Schumacher <schumaml src gnome org>]

Summary of changes:

  43a5d79... Licensing clarification for sample image vs. the rest of th (*)
  987aa20... Add anchors with message ids (*)
  c3664b1... Start to implement a downloads platform switcher (*)
  2a8e57b... Proper multiline string literal (*)
  c6cb0c4... Typo (*)
  cc178c7... Children of #os are the interesting elements (*)
  474240f... Prevent unnecessary reloads (*)
  88b90ff... The #downloads div is never empty (*)
  a200e70... Add display of guessed platform (*)
  83baf64... Checking for non-existence of #os is the proper thing to do (*)
  703d263... Disentangled XHTML and JSON mirrors files creation (*)
  750c19a... File naming consistency and proper handling of created file (*)
  281c071... Typo (*)
  dbf3902... ... (*)
  6ee0f6b... Fix invalid link (*)
  e2e6508... Make the Flattr button use the same scheme as gimp.org (*)
  6abb2db... Merge remote-tracking branch 'refs/remotes/origin/testing'  (*)
  fddf9e5... Merge branch 'master' into testing (*)
  f6d6426... Add installer for 2.8.16 and remove protocol from urls (*)

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