[gtk] (30 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  e826fdb... cssanimatedstyle: Remove some casts in hot paths
  e6e7208... csspalettevalue: Use simple arrays instead of a hashtable
  b900edc... css: Avoid more type checks in hot paths
  73e4b29... cssstaticstyle: Make set_value (transfer-full)
  d020b3c... cssdimensionvalue: Create a few more common singletons
  6c94041... cssrgbavalue: Add a singleton for transparent colors
  047e31a... cssrgbavalue: Add an opaque white singleton
  d2e2676... cssrgbavalue: Add & use new_white()
  45573db... cssanimatedstyle: Avoid unnecessary transition work
  6a36885... cssanimatedstyle: Avoid type check in loop
  23bb6cb... cssanimatedstyle: Save animation in array
  7559020... gtkprivate: Only define gtk_internal_return_if* for consist
  ce22ca7... cssimage: Use gtk_internal_return_val_*
  0f0232f... cssanimatedstyle: Make set_animated_value transfer-full
  8508ef0... cssmatcher: Inline node values into matcher
  59f6891... cssprovider: Fix compilation wth VERIFY_TREE set
  766ba30... cssstaticstyle: Avoid ref'ing specified value in compute_va
  529710b... csslookup: Remove tautological if expression
  512d129... cssanimatedstyle: Keep transition_info_add from recursing
  d3d8e31... bitmask: Add _gtk_allocated_bitmask_to_string
  9a29355... csslookup: Remove 'missing' bitmask
  477cb40... csslookup: Remove 'relevant' parameter from _init
  31234fb... cssinitialvalue: Make _compute public
  030e0a1... cssstaticstyle: Compute initial/inherit values directly
  e7ee746... csscolorvalue: Remove unused new_from_rgba()
  235d8f7... csscolorvalue: return the initial color value directly
  63ab188... stylecontext: Stop exporting _resolve_color
  126e069... stylecontext: Remove leftover function prototypes

Commits added to the branch:

  2d22ca0... bitmask: Add _gtk_allocated_bitmask_to_string
  4d21aaf... cssanimatedstyle: Remove some casts in hot paths
  9bf7e2f... csspalettevalue: Use simple arrays instead of a hashtable
  c5ba8be... css: Avoid more type checks in hot paths
  aa2797f... cssstaticstyle: Make set_value (transfer-full)
  440a471... cssdimensionvalue: Create a few more common singletons
  d326dc0... cssrgbavalue: Add a singleton for transparent colors
  5c60257... cssrgbavalue: Add an opaque white singleton
  5a4a42c... cssrgbavalue: Add & use new_white()
  5dfc82e... cssanimatedstyle: Avoid unnecessary transition work
  8a61bdb... cssanimatedstyle: Avoid type check in loop
  3f2af8f... cssanimatedstyle: Save animation in array
  ef1c0d9... gtkprivate: Only define gtk_internal_return_if* for consist
  c76be32... cssimage: Use gtk_internal_return_val_*
  3784acf... cssanimatedstyle: Make set_animated_value transfer-full
  88fbc1c... cssmatcher: Inline node values into matcher
  8f51e9e... cssprovider: Fix compilation wth VERIFY_TREE set
  0e41e41... cssstaticstyle: Avoid ref'ing specified value in compute_va
  2c16b36... csslookup: Remove tautological if expression
  d4953e5... cssanimatedstyle: Keep transition_info_add from recursing
  cfb5cc9... csslookup: Remove 'missing' bitmask
  7ff415e... csslookup: Remove 'relevant' parameter from _init
  2360387... cssinitialvalue: Make _compute public
  9486cf3... cssstaticstyle: Compute initial/inherit values directly
  e4e4748... csscolorvalue: Remove unused new_from_rgba()
  ea4ea2b... csscolorvalue: return the initial color value directly
  347630d... stylecontext: Stop exporting _resolve_color
  f9aba33... stylecontext: Remove leftover function prototypes
  d3714c5... cssstyle: Remove unused _add_difference
  d23aae7... cssnode: Remove unused struct