Merge pull request #11 from dskarls/master

Description notes about zero stress and zero temp.
Merge pull request #12 from dskarls/master

Added 'monoatomic' to title & descriptions
Merge remote-tracking branch 'upstream/master'
Merge pull request #14 from dskarls/master

Removed 'monovacancy-formation-free-energy-monoatomic-cubic-diamond'
Merge remote-tracking branch 'upstream/master'
Added wyckoff-species key, updated wyck. descrips.