categorized tests into parallel and sequential
started to implement gaxpy_ext. still has issue with over-refinement
Fixed gaxpy_ext in funcimpl.h and mra.h.  Updated test_gaxpy.cc in src/examples
deleted lnorm reference in gaxpy_ext_recursive() and improved test_gaxpy.cc
moved test_inner.cc and test_gaxpy.cc into src/madness/mra/ and removed them from src/examples/Makefile.am
Added testinnerext and testgaxpyext SOURCES to Makefile.am. TODO: Add them to list of unit tests and modify testinnerext.cc and testgaxpyext.cc to return success values.
Added testgaxpyext and testinnerext to list of test programs in mra.
removed refine print mutex from FunctionImpl private variables
Edited testinnerext.cc to return a success result.
Edited testgaxpyext.cc to return a success result.
Merge pull request #97 from richford/master

Added gaxpy_ext
resolved conflicts in madness/mra/Makefile.am