Fixed leaks in Cell and Container.
Viewport is now a Cover.
Fixed leak in TraceDrawer.
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge pull request #62 from davidhesselbom/master

Fixed leaks.
Fixed a leak in OpenGLES3.
Fixed a leak in LinkedList.
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge pull request #63 from davidhesselbom/master

Fixed leaks.
Fixed projection in shader.
Added initialization of yInvert. Renamed temp transform variable.
Implemented clear function properly and fixed scaled translation for uv channel.
Merge branch 'master' of https://github.com/cogneco/ooc-kean