Remove QQuickItem/PaintedItem wrappers

They were used to hide the differences between QQuick* items and
QDeclarative items when we supported Qt4 and 5.

Now that we've dropped Qt4 support, we don't need theese wrappers
anymore.
updated angrymemes example
make the angrymemes example more dynamic
Better reuse of code in the angrymemes example
Added TrollFace for angrymemes
Merge pull request #2 from kenvandine/angrymemes

updated angrymemes example
Add qml-box2d submodule
Removing all Box2D-based items and properties
Initialize Box2D plugin
Added some box2d examples based on qml-box2d
disable building examples and demos that won't work with the switch to qml-box2d
Merge pull request #4 from rogerzanoni/qml-box2d

Start to use qml-box2d plugin
white space fixes
Added the gamescene example back fixed up for the qml-box2d branch
Remove Material entity, it's not used anymore
dropped demo and examples that used old box2d code
Merge pull request #7 from rogerzanoni/qml-box2d

Remove Material entity, it's not used anymore
Merge pull request #5 from kenvandine/qml-box2d

Added some new examples based on qml-box2d
bring back the Viewport which had previously been removed
fixed stacking of layers