[gimp] (42 commits) Non-fast-forward update to branch wip/gradient-edit

[N/A <ell src gnome org>]

The branch 'wip/gradient-edit' 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:

  6b1be04... ^^^ wip/gradient-edit ^^^
  25b7b98... app: add gimp_tool_line_get_slider()
  f0103b4... app: rename slider-value variables in GimpToolLine
  4ef4b08... app: add persistent handle selection to GimpToolLine
  eb05dc3... app: add keyboard control to GimpToolLine
  9832db8... app: add dashed canvas handle types
  47ef35d... app: allow adding and removing sliders to/from a GimpToolLi
  220191a... app: add prepare-to-remove-slider signal to GimpToolLine
  7d64589... app: add handle-clicked signal to GimpToolLine
  9393272... app: add misc. parameters to GimpControllerSlider
  eb64f80... app: improve status messages of GimpToolLine
  4ac32d9... app: add gimp_data_copy()
  bc6c960... app: add compare() virtual function to GimpData
  16ad61c... app: add "custom" gradient
  5f427cb... app: implement copy() for GimpGradient
  a5e3762... app: implement compare() for GimpGradient
  419a1aa... app: add gimp_gradient_segment_get_{left,right}_flat_color(
  ef98d7d... app: add gimp_gradient_split_at()
  b4ce62b... app: add gimp_gradient_segment_range_get_n_segments()
  150a780... app: add gimp_gradient_segment_range_merge()
  0f1e0e0... app: treat gradient segments as clopen ranges
  538eb72... app: improve num. stability of gimp_gradient_segment_range_
  5eba7f3... app: improve curved gradient segment sampling
  efc3c49... app: use get_{left,right}_flat_color() in gradient editor
  3e2edda... app: add gimp_color_panel_dialog_response(); add "response"
  cba5c71... app: don't show a PLUS cursor modifier before starting the 
  e7fb9dd... app: add "instant mode" option to the blend tool
  15a0f13... app: add "modify active gradient" option to the blend tool
  979d029... app: add sliders for gradient stops and midpoints in the bl
  cfc0b4f... app: modify the gradient in response to blend-tool slider m
  fef7d3f... app: add support for adding gradient stops to the blend too
  a40b580... app: add support for removing gradient stops to the blend t
  567c5f3... app: handle prepare-to-remove-slider signal in the blend to
  a8dc21b... app: convert midpoints to stops via double-click in the ble
  eee707f... app: add tool gui to the blend tool
  c39139d... app: implement blend tool gui for gradient endpoints
  3bc412e... app: implement blend tool gui for gradient stops
  ce9ce8e... app, libgimpbase: implement blend tool gui for gradient mid
  3ca5b39... app: implement tool undo for gradient editing in the blend 
  c4203c4... app: fix fg/bg color change handling in the blend tool
  217c3eb... app: don't update blend tool filter upon irrelevant line ch
  27a9f9f... app: cache last-sampled gradient segment in GimpOperationBl

Commits added to the branch:

  8d5bd69... ^^^ wip/gradient-edit ^^^
  1159033... app: add gimp_tool_line_get_slider()
  27d2f9a... app: rename slider-value variables in GimpToolLine
  7906f56... app: add persistent handle selection to GimpToolLine
  3e8fee0... app: add keyboard control to GimpToolLine
  dac5767... app: add dashed canvas handle types
  f2a7bff... app: allow adding and removing sliders to/from a GimpToolLi
  2e934b0... app: add prepare-to-remove-slider signal to GimpToolLine
  b00e06e... app: add handle-clicked signal to GimpToolLine
  7f5b918... app: add misc. parameters to GimpControllerSlider
  62aa913... app: improve status messages of GimpToolLine
  bdf1cc5... app: add gimp_data_copy()
  e927524... app: add compare() virtual function to GimpData
  67f7c69... app: add "custom" gradient
  36f079a... app: implement copy() for GimpGradient
  b352b5f... app: implement compare() for GimpGradient
  f152000... app: add gimp_gradient_segment_get_{left,right}_flat_color(
  d83a0ff... app: add gimp_gradient_split_at()
  cb7085d... app: add gimp_gradient_segment_range_get_n_segments()
  e1901cf... app: add gimp_gradient_segment_range_merge()
  c408ea4... app: treat gradient segments as clopen ranges
  26465b6... app: improve num. stability of gimp_gradient_segment_range_
  da21161... app: improve curved gradient segment sampling
  b2a64cd... app: use get_{left,right}_flat_color() in gradient editor
  4013298... app: add gimp_color_panel_dialog_response(); add "response"
  70f52c4... app: don't show a PLUS cursor modifier before starting the 
  dfb85e8... app: add "instant mode" option to the blend tool
  3c0f07a... app: add "modify active gradient" option to the blend tool
  9b91c0d... app: add sliders for gradient stops and midpoints in the bl
  219eb09... app: modify the gradient in response to blend-tool slider m
  a27a7c2... app: add support for adding gradient stops to the blend too
  5aa187a... app: add support for removing gradient stops to the blend t
  24b924a... app: handle prepare-to-remove-slider signal in the blend to
  8f8c7d9... app: convert midpoints to stops via double-click in the ble
  fa7c5fa... app: add tool gui to the blend tool
  0e16807... app: implement blend tool gui for gradient endpoints
  9300a5d... app: implement blend tool gui for gradient stops
  51f07c0... app, libgimpbase: implement blend tool gui for gradient mid
  2c87b1f... app: implement tool undo for gradient editing in the blend 
  6adf522... app: fix fg/bg color change handling in the blend tool
  54a6cdb... app: don't update blend tool filter upon irrelevant line ch
  f929c54... app: cache last-sampled gradient segment in GimpOperationBl