Add project list filter for easy finding projects
Move ProjectListFilter::FilterOption into private section
Use toolbutton for clear search term
Forgot to add SceneTreeDock::set_selected change in last PR
Adding travis ci support
Merge pull request #566 from marynate/PR-fix-scene-tree-dock-set-selected

Forgot to add SceneTreeDock::set_selected change in last PR
Merge pull request #568 from marynate/PR-travis-ci

Adding travis ci support
Merge pull request #504 from marynate/PR-pm-filter

Add project list filter for easy finding projects
Merge remote-tracking branch 'upstream/master' into dev

Conflicts:
	tools/editor/scene_tree_dock.h
Fixed #553: Disable 3D nodes for smaller executable
Merge pull request #569 from marynate/PR-3d-disabled-build

Fixed #553: Disable 3D nodes for smaller executable
Merge remote-tracking branch 'upstream/master' into dev
2D Animation Improvements
-=-=-=-=-=-=-=-=-=--=-=-=

-Ability to set 2D nodes as bones
-Abity to set 2D nodes as IK chains
-2D IK Solver
-Improvements in the UI for adding keyframes (separate loc,rot,scale buttons)
Merge remote-tracking branch 'upstream/master' into dev