removed all fox xml files
added fox as a submodule
configured new fox xml submodule for openmc
separated out git commands into two execute processes
converted all cross section extensions to 71c for 293.6K NNDC data
changed Sab extenstions as well
changed Zn-nat to Zn-66 for now, nndc has no nat zn
changed particle restart to reflect new particle that is lost
changed sab for salphabeta tests
changed how test_track_output works
fixed sab on void materials
changed results based on open cross sections
now use fox cmakelists
fox now included as a subdirectory with its own CMakeLists
check for fox xml submodule before trying to initialize it
changed assert on particle restart
updated results for source file test
Added utility to convert ACE files from ASCII to binary.
allow for same file to be read in as ascii and output as binary
ask user for conversion of acefiles to binary