Got rid of "string constant to char*" conversion warning in Global/util.C
Merge branch 'ssf' of https://github.com/thulas/simx
Merge branch 'ssf' of https://github.com/thulas/simx
Merge branch 'ssf' of git@github.com:thulas/simx
 The main change here is that MPI thread swapping no longer occurs in
 universe_sched.cc. This prevents memory errors in Python.

However, Most of the changes here are due to MiniSSFs svn version being
 different from the version that was downloaded from the website.