implemented copying of aux arrays. cleaned up some code. added more timers
renamed the flag used in copying aux info from rinfinity to NEEDS_TO_BE_SET
changes to reduce round off error, minor edits
changed back to old way of basing initial refinement on old vals not newest vals so looks symemtric in first fine grids. done to agree with old nosetests
set bcs on coarse grid from filval
forgot to declare new var in parallel section; cleaning up compile warnings
fixing bug when only one dir is periodic
fixed end conditions for case where only 1bc is non-periodic
fixed periodic boundary conditions when only one direction is periodic
fixed sphere boundary conditions
env in examples/run_tests.py