Moved Gui to Applications/DataExplorer.

- moved ProjectData.* to Applications/ApplicationsLib
- removed Vrpn folder in DataExplorer
Moved Utils to Applications/Utils.
Renamed DiagramView and StratView to QtDiagramView and QtStratView.
Renamed Data Explorer executable.
Fixed include.
Removed duplicated include line.

${CMAKE_CURRENT_BINARY_DIR}/../BaseLib is not necessary anymore.
Removed include dir in ApplicationsLib.
Merge pull request #479 from bilke/move-apps

Move executables to Applications folder