costfunction: Now takes a ForwardModel as input instead of DataSet.
forwardmodel: New private function for processing one image (multiprocessing).
magdata: Quiver Plots (2D/3D) now support color encoding (angle or amplitude).
         Private method for creating the appropriate colormap.
reconstruction: Now takes Costfunction as argument instead of DataSet.
regularisator: Introduced ComboRegularisator.
scripts: New scripts.

tests: implemented the missing TestCases!
dataset: mask is now created if not given!
phasemapper: guaranteed np.float32 format for RDRC (expected by Cython)
projector: now uses fft.FLOAT

pep8: optimizations
phasemapper_core: numcore module for phasemapper
scripts: compatibility with new structure
reconstruction: new scripts

regrid: Added many scripts for regridding by Jörn
logging: Introduced logging
scripts: Added Scripts for regridding and simulating stuff for cooperations
removed: Unused test scripts
structure: Many new restructuring aspects already implemented