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
ENH: defined image subtraction function and docstring
ENH: defined image subtraction function
ENH: Defined initial master list of dictionary keys for core library
ENH: added file placeholder for conversion from spec files to nsls2 data format
ENH: Improved dictionary key descriptions
Merge pull request #5 from ericdill/playground

Playground
DOC: Fixed file tree
Merge pull request #6 from ericdill/spec_input

DOC: Fixed file tree