created user manual but isnt integrated correctly
modified some files for clipping plane user manual
Finished the clipping plane manual

Scaled the images and modified the section-references
added some explanations
now RenderingManagerReinitialized checks the corner points of the bounding box and not the bounding box indices
FileReader and BlockDescriptor
Prepare sorting for DICOMITKSeriesGDCMReader
Include guards for test macros
Basic test (all inputs are distributed to outputs)
Basic splitting/sorting classes
WIP sorting
Implement basic Image loading
mitkdump commandline tool to predict output
slice distance sorter
ClassicDICOMSeriesReader mimics old DicomSeriesReader with new classes
Add class DICOMTag for brevity
Move DICOMTesting from Core/Testing to Modules/
Implemented IsDICOM()
Use DICOMTag in mitkdump
Start fixing DICOM tests, using ClassicDICOMSeriesReader in ImageStatisticsTest