[TOOL] fixed create_class.rb script w.r.t. to new directory/build-system layout
[INTERNAL] moved TransformationModel implementations to individual files
[INTERNAL] moved interpolation implementation into a separate class so we can add the missing ones more easily
[INTERNAL] some more code cleanups
[FEATURE] added Akima interpolation
[FEATURE] added basic linear interpolation
[FEATURE,TEST] restructured/added/extended tests for TransformationModels

 * the new tests ensure gsl compliance for the TransformationModelInterpolated
[NOP] removed unnecessary include
[PYOPENMS] fixes IsobaricQuantifierStatistics pxd
Merge branch 'develop' into feature/transformation-model-fix

Conflicts:
	src/pyOpenMS/pxds/IsobaricQuantifierStatistics.pxd
[TEST] fixed small test compile issue
[FIX] tmp: will be changed as soon as bspline is back

 * since we changed the underlying cspline implementation slightly different values are reported by the interpolation
[FIX] re-enabled interpolation models
[INTERNAL] removed unnecessary != 0 check before calling delete
[NOP] uncrustify(ed) all files touched in this branch
[NOP,TOOLS] added bash script to apply uncrustify to all non-test cpp and h files changed in the current branch (w.r.t. develop)
[PYOPENMS] adapted pxds to reorganized transformation models
Merge pull request #990 from aiche/feature/transformation-model-fix

[FIX,FEATURE] TransformationModelInterpolated readded