added only read mode of H5 file and fixed bug (non-existent variable) in parameters.
numEvents is now being dynamically increased in parameters.py
fixed bug with in ensureReadWriteModeActivated to make sure that tags are stored
fixed bugs with fileMode
fixed issue when datasets were reloaded (e.g. switching between back and front)
cleaning up some debugging print messages
fixed small bug within displayBox
documenting and small restructuring
fixed bug with pattersonProperties, the saveDialog only pops up now when the user changed a value
Merge branch 'devel' into benedikt
cosmetic changes
check for modular datasets
The patterson save dialog still showed up when a dataset was reloaded (with patterson disabled), it is fixed now
Merge remote-tracking branch 'origin/devel' into benedikt
working on implementation of geometry
fully extended data/mask cache to 4D without breaking the default case with 1 module
added cache for geometry
working still on including gemoetry items
Split FileLoader to a separate file
Some more reorganization