New object for BSE calculations.
Merge remote-tracking branch 'mpmaster/master'
 Rationalize pseudo_dojo stuff
 Move pseudodojo stuff to separate package
 Remove dojo stuff from autodoc files
Merge remote-tracking branch 'mpmaster/master'
 Preliminary support for Bethe-Salpeter calculations.
 Rationalization of EOS tools
 Get rid of circular dependency pseudo_dojo <--> pymatgen.
 Change range of volumes for deltafactor computation.
Minor doc update.
 Cosmetic changes.
Merge remote-tracking branch 'mpmaster/master'
 Add exclude_fnames option to PseudoParser.scan_directory
Initial implementation of nwchem input file reader.
Complete basic nwchem input file parser - only works with files generated using
NwInput for now.
Better error def.
Vastly improved parser for NwInput.
Greatly simplify nwchem string parser.
Minor cleanup of nwchemio and tests.