use identity compare for None/True/False
Merge remote-tracking branch 'hm-blender/master'

* hm-blender/master:
  use identity compare for None/True/False
Fix T42375: Hallo Objet fracture tool error.

Add poll funcs to prevent using fracture op with non-mesh objects.
Correction to own rBA63aba82339 - do not loop on objects in poll func!

Thanks to Campbell for the headup.
Cleanup: redundant float conversions
Copy Attributes addon: Make copy bone shape also copy the wireframe display option
Merge remote-tracking branch 'hm-blender/master'

* hm-blender/master:
  Copy Attributes addon: Make copy bone shape also copy the wireframe display option
  Cleanup: redundant float conversions
  Correction to own rBA63aba82339 - do not loop on objects in poll func!
  Fix T42375: Hallo Objet fracture tool error.
Final fix for 'division by zero' issues in sapling addon.

Review and minor cleanup by Bastien Montagne (mont29).

Note: this addon would need a full complete style cleanup. :/

Differential Revision: D874
Fix T42476: Mocap addon: "Clean noise" didn't work properly.

Patch by sybrenstuvel (Sybren Stüvel), with own tweaking (main issue was,
fcurve needs to be updated when you have changed their keyframes), thanks!
Fix T42586: Error when attempting to export FBX (non-invertible matrix).

Just use 'new' inverted_safe() everywhere we are not 100% sure the matrix is invertible...
Cleanup: pep8/unused vars
Fix EDL not loading video with audio

thanks to Tintwotin
Node Wrangler: Add Viewer Focus (from Sebastian Koenig)

In the compositor, double click on the backdrop image to set the tile center of Viewer nodes to that point.
Fix in Show Hotkey List

Last change in keycap item broke ability to show hotkey list in Add On
preferences. Now it's fixed.
Merge remote-tracking branch 'hm-blender/master'

* hm-blender/master:
  Fix in Show Hotkey List
  Node Wrangler: Add Viewer Focus (from Sebastian Koenig)
  Fix EDL not loading video with audio
  Cleanup: pep8/unused vars
  Fix T42586: Error when attempting to export FBX (non-invertible matrix).
  Fix T42476: Mocap addon: "Clean noise" didn't work properly.
  Final fix for 'division by zero' issues in sapling addon.