Merge branch 'bug-10941-blueberry-workbench-help-system'
- bug-10941-blueberry-workbench-help-system: Removed BlueBerry debugging output. Fixed strange memory leak bug in berry::StackPresentation Use the new org.blueberry.ui.qt.help plug-in. Reworked help menu structure, using new org.blueberry.ui.qt.help plug-in. Use an absolute path for the MITK qch file. Remove top-level TOC entry in plug-in QHP files via XSL. Initial commit of new plug-in org.blueberry.ui.qt.help Support for compilable BlueBerry code snippets. Fixed a couple of editor issues.