remove #ifdef NUPIC2 includes

the NUPIC2 is always used, the other includes even do not exist
remove Zeta1Grouper header, not used in NUPIC2
gaborNode remove functionality for non-NUPIC2
imageSensorLine remove NUPIC2 references
ifdef includes fixed
AlignedAlloc.hpp is not intended for NUPIC2
fix more includes
RandomNumberGenerator is not used in NUPIC2
other #ifdef header include fixes
header files not used in NUPIC2
ifdef includes
SparseMatrix.i remove old code for non-NUPIC2

this was a commented out code,
definitions for SparseR3Tensor...
remove references to nonexisting cpplibs directory
remove last NUPIC2 mentions
rm NUPIC_VERSION_FLAGS = "-DNUPUC2"
NTA_LOG_HPP is never used

remains from Nupic 1, old
Grouper is not used in NUPIC2

@subutai said so on the ML: "The Grouper code is actually not used in the CLA.
It is an older machine learning algorithm we developed for doing temporal clustering of patterns.  "