Blender Git Loki

Add yup_to_zup_attrs option to Alembic Import, Fix errors in write_data_to_customdata, Alembic Import default options changed

1. Added "Y-up to Z-Up Custom Attributes" option which lets the user define which V3 (i.e. Vector 3) attributes should be converted from Y-Up coordinates to Z-Up coordinates.

2. Fix errors in abc_customdata.cc, write_data_to_customdata() that assumed config.user_data was a DerivedMesh * instead of a Mesh * pointer.

3. Changed Alembic Import options:
"set_frame_range" defaults to false now. "import_attrs" defaults to true now.

GPencil: Fix merge errors

Merge branch 'master' into greasepencil-object

Conflicts:
source/blender/editors/gpencil/gpencil_edit.c

Outliner: Fix range select not activating

Outliner: Fix openclose behavior

Fixes click+drag on disclosure triangles not behaving as expected.
Now the dragged elements will be either closed or opened depending
on the state of the first clicked+dragged.

Also removed walk in and out for arrow left and right.

Outliner: Includes cleanup

Outliner: Synced selection fixes

Fix outliner select on items linked between collections not
syncing.
Adds more control to from-outliner select syncing, to only sync
data within the current interaction mode.
Deselect all non-synced data on syncing to outliner.
Fix edit bone outliner syncing not tagging for updates

Outliner: Don't show duplicates in merge search

Outliner: Remove set parent popup

The popup did not allow operator reports with multi object
support.

Outliner: Move synced select toggle

Move below Sort Alphabetically and use a checkbox instead of
a button.

Outliner: fix contrast for selected and active highlights

Merge branch 'master' into temp-soc-2019-outliner-sync

Merge branch 'master' into soc-2019-outliner

Add support for curve and unaligned nodes

Merge branch 'master' into functions

Merge branch 'master' into greasepencil-object

Merge remote-tracking branch 'origin/master' into soc-2019-npr

LANPR: Fix wrong function for clearing list base.

Cleanup: make format.

LANPR: Use BLI math functions.