Create PbsOldAdapter for old syntax PBS
Should be after PbsAdapter
Add PbsAdapter in list of adapters.
Remove syntax error
Correct mpi_ncpus and restore correct PBS Pro syntax
Use Error Parser for PBSOld
Merge branch 'master' of https://github.com/gmatteo/pymatgen
Solved deprecation warnings
Saving work
Code cleanup
 Fix unit tests
Merge branch 'master' of https://github.com/yanikou19/pymatgen into yanikou19-master

Conflicts:
	pymatgen/io/abinitio/qadapters.py
Merge branch 'yanikou19-master'