Fix export translation(can't save pot file)
Add project list filter for easy finding projects
Move ProjectListFilter::FilterOption into private section
Use toolbutton for clear search term
Fix bug help history overwrote by tree item selected call back
Fixed when opening sub-scene by pressing sub-scene icon in scene tree, tab changed to script tab
Fixed Bugs & Joypad in Android
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-resolved many graphical glitches with multiple lights in GLES2 render
-fixes and WIP apk expansion
-joystick support for Android by Ariel
Merge pull request #564 from marynate/PR-fix-open-subscene-tab

Fixed issue #429: in scene tab, clicking on some instance folder, change all the others views
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
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
Make OS_Windows::get_data_dir return unix path to be consistent with get_resource_path
Fixed DirAccessWindows::change_dir not working properly; Minor code formating clean up
2D Animation Improvements
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-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)
Add node2d::get_global_pos()
Polygon2D
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Another gift for those who make 2D games:
-Edit polygons, concave or convex, color them, texture them and uv-map them
-Corresponding editor
-Can have a custom pivot, so they are compatible with bones and IK