Blender Git Loki

Merge branch 'master' into soc-2020-fluid-tools

Increase hard limit for Remesher octree depth

Adding more precision to help making watertight objects to be printed.

GPencil: Fix style error in Illustrator

The style name cannot contain underscore character

GPencil: Remove duplicated temp stroke

This was to bypass a bug, but now it's not required.

GPencil: Calculate real radius size for SVG point

GPencil: Cleanup code

Merge branch 'master' into soc-2020-io-performance

GPencil: Preparation to export point to SVG as circles

Still wip.

Merge branch 'master' into lanpr-under-gp

Merge branch 'master' into greasepencil-object

Merge branch 'master' into greasepencil-edit-curve

Fix build error due to forward enum declaration

In full build, the following error happens. So fix it by including the
definition file before the forward declaration one.

```
In file included from source/blender/io/collada/SkinInfo.cpp:40:
source/blender/blenkernel/BKE_object_deform.h:62:6: error:
enumeration previously declared with nonfixed underlying type
enum eVGroupSelect
^
In file included from source/blender/io/collada/SkinInfo.cpp:36:
source/blender/makesdna/DNA_scene_types.h:2099:14: note:
previous declaration is here
typedef enum eVGroupSelect {
^
1 error generated.
```

Merge branch 'master' into soc-2020-info-editor

Cleanup: memory does not need to be allocated

Cleanup bring back assert

Merge remote-tracking branch 'origin/master' into lanpr-under-gp

Merge branch 'greasepencil-edit-curve' into soc-2020-greasepencil-curve

GPencil: Include option to export only active frame in SVG

GPencil: Skip empty frames in SVG export

Use floating point filtering to make the degenerate triangle detection faster.