Changed P=4 instead of 10
Removed IneJ case for debugging
reindentation
Changed P to 4 and expansion method to Cartesian for debugging simplicity
Merge branch 'master' into fix-accuracy-bug
set P and Exapnsion back to 10/Spherical
minor fix: disabled debug dump in upward phase
minor fix: indentation
minor fix: added doxygen comments and removed spaces in nested templates (C++11 does not need spaces between > >)
minor fix: removed spaces between two ">"s (C++11 does not need a space between ">"s in nested template)
Changed function pointer to generic functor in tapas::Map