[WIP] Physics behavior editor#825

Merged

4ian merged 11 commits into4ian:masterfrom

Lizard-13:physics2-behavior-editor

Jan 5, 2019

Commits on Dec 24, 2018

Physics main editor setup and custom polygon support
Lizard-13
committed

Commits on Dec 28, 2018

Add shape preview
Lizard-13
committed

Commits on Dec 31, 2018

Commits on Jan 3, 2019

Add BehaviorsEditorService
Lizard-13
committed

Commits on Jan 4, 2019

Commits on Jan 5, 2019