Set processing elems per node when using PBSPro launcher.

This is how we feel about it: http://goo.gl/B6gcYe
Merge pull request #497 from thomasvandoren/fix-launchcmd-for-pbsproc

Set processing elems per node when using PBSPro launcher.

This is how we feel about it: http://goo.gl/B6gcYe
Adding a test that calls functions from different modules without using the module directly.
Merge pull request #501 from sungeunchoi/test

Add test for calling functions from a module with out using the module.

This test calls X.f() and Z.f() without using X (in same file) or Z (in different file).
Checkpoint of the STATUS file.

This should include all outstanding futures.

TODO: Add any items that are in the REGRESSIONS or TRIAGE files.
Merge pull request #502 from sungeunchoi/test

Checkpoint of the STATUS file.

This should include all outstanding futures (bug/unimplemented features/performance).

TODO: Add any items that are in the REGRESSIONS or TRIAGE files.