Mostly fixed Doxygen group tags.
Renamed directories to control the order in the Doxygen treeview.
Small changes do Doxygen layout, moving deprecated pages into API docu.
Added missing MITK logo to Doxygen output.
Fixed crash in LiveWire tool

Added FilterEvents method to SegTool2D which is call by superclass mitkEventStateMachine.
Removed obsolete CanHandleEvent function.
Added check for valid member to avoid crash during tool stress tests.
Merge branch 'bug-18479-live-wire-crash' into releases/2014-10
Fixed compile error
Merge branch 'bug-18479-live-wire-crash' into releases/2014-10
WIP Updating documentation
Merge branch 'bug-18250-MovieMakerDocumentationAndSliceRangeRemembering' into releases/2014-10
Ensure the in-application help can be build.
Merge branch 'bug-18454-check-for-qt-help-capability' into releases/2014-10
Fixed Qt help check for Workbench releases.
Merge branch 'bug-18454-check-for-qt-help-capability' into releases/2014-10
Updated CTK revision

This revision contains the fix which solves the issue that data is loaded twice on double click
Changed default selected tab to import widget
Merge branch 'bug-18391-dicom-browser-loads-data-twice' into releases/2014-10
Moved the "portal page" into the readme.
Removed old link.