I broke the ability to run the test suite on MPI simulations.  Fixed.

git-svn-id: svn+ssh://svn.code.sf.net/p/xmds/code/trunk/xpdeint@2877 41b19578-b77a-4e3b-9682-c8570d237623
Make test execution failures provide more information about the failure.

git-svn-id: svn+ssh://svn.code.sf.net/p/xmds/code/trunk/xpdeint@2878 41b19578-b77a-4e3b-9682-c8570d237623
Correct the separated IP testcases.

git-svn-id: svn+ssh://svn.code.sf.net/p/xmds/code/trunk/xpdeint@2879 41b19578-b77a-4e3b-9682-c8570d237623
Combine all IP operators into a single apply function.  This speeds up adaptive IP operator application by about 5% and should make fixed-step IP as fast as it was previously, or slightly faster.

git-svn-id: svn+ssh://svn.code.sf.net/p/xmds/code/trunk/xpdeint@2880 41b19578-b77a-4e3b-9682-c8570d237623