[gtk] (13 commits) Non-fast-forward update to branch wip/otte/json

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/json' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  188ce37... Add GtkJsonParser
  ca0ccde... Add GtkJsonPrinter
  f423fe7... tools: Add gtk-json-format
  05588cc... testsuite: Add a test for the json parser

Commits added to the branch:

  1c3b7ab... rendernode: Simplify conic gradient code (*)
  f1cbeee... texture: Remove gdk_texture_download_float() (*)
  bf245fe... Add GtkJsonParser
  95d38de... Add GtkJsonPrinter
  43d6f9c... tools: Add gtk-json-format
  381b1ef... testsuite: Add a test for the json parser
  bf660e9... jsonparser: Remove line number tracking
  ce359d5... jsonparser: Build a character table and use it
  06e3d2c... jsonparser: Split parsing strings from unescaping them
  cbc5fc3... jsonparser: Prevalidate numbers and strings
  ca94820... jsonparser: Remove the reader object
  0256be5... tools: Add gtk-json-validate
  e5a5ecf... jsonparser: Store the node in the character table

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