Blender Git Loki

Multires: implement reshape operation

The one which is used by applying deformation modifiers on the multires.

Subsurf: Implement foreach traversal for subdivsion topology

This makes it more generic process to perform actions which
depend on ptex face + (u, v) and on subdivided vertex index.

Currently it is still just a subdivision calculation process,
but same foreach callbacks can easily be used to propagate
displacement from known vertex locations back to displacement
grids.

Tool System: expose correct UV for vert/edge slide

Tool System: bevel now confirms on release

Tool System: options for bevel tool

Cleanup: free keymap status when not used

Multi-Object-Editing: bisect support

Cleanup: RNA naming

Merge branch 'master' into blender2.8

Cleanup: use EDBM prefix

BMesh: loop-cut, display deformed coordinates

Previously this used derived mesh, now use evaluated data.

UI: move brush appearance inside overlay panel

Tool System: loop cut, confirm on release

When accessed as a tool it felt awkward to click twice to execute.

Tool System: add cuts & correct UV's options

Cleanup: style

Transform: factor out matrix multiply w/ snapping

UI: use display popover for image space

Also menu corrections and move scopes to sidebar.

D3625 by @lijenstina w/ minor edits

GP: Reduce list of modifiers affected by recalc

GP: Force Fill triangulation data recalc

Add a general parameter to force the recalc of the triangulation data because some modifiers could change the geometry and the filling triangles would not be right.

Now, the parameter is visible in UI panel because this option reduces FPS, but maybe in the future we can keep always ON and remove the parameter.

Merge branch 'master' into blender2.8