prefix "customScrollbars" element classnames with "webodf-"
Remove no longer needed "overflow: hidden" rule for the toolbar
prefix "selectionOverlay" element classname with "webodf-"
prefix "draggable" element classname with "webodf-"
prefix "annotationHighlight" element classname with "webodf-"
Merge pull request #460 from kossebau/namespaceMoreWOStuff

Namespace more of our stuff