DOC: Fixed typos
Merge pull request #2 from ericdill/playground

DOC: Fixed typos + missing self
ENH : added simple align + shift function
Merge pull request #3 from tacaswell/IXS_draft

ENH : added simple align + shift function
DOC: Added NSLS2 widget object diagram
Merge pull request #4 from NSLS-II/nsls2/master

DOC: Added NSLS2 widget object diagram
DOC: updated NSLS2Widgets image model