Add:  Operator to generate spheres with given centers and radius (polydata)
Spring Bunny example update with markers
Fix for CircleCI
add features to new operator SurfaceToVoxelData and to example
Merge branch 'master' of https://github.com/CognitionGuidedSurgery/msml
Merge branch 'master' into experimental

Conflicts:
	operators/MiscMeshOperators/example.cpp
Added shape matching functionality
Merge branch 'experimental' of https://github.com/CognitionGuidedSurgery/msml into experimental
Add: GenerateEmptyImageOperator,   ImageSum c++ method integrated in MSML alphabet.
Merge branch 'experimental' of https://github.com/CognitionGuidedSurgery/msml into experimental
Fix #188 Conversion float-> float list
append to last commit...
CGALi2vLungs examples fixed and added to tests
CirleCI path fix in lung pressure test
Failing test moved to branch
example fixes for #183
MSMLLogo: old version deleted. V2 updated (solver changed to default solver) see #183
python example: Color mesh  fxed
CircleCI fix
trying to fix #168