fix for setup.py, can now install in develop mode
Added data files for reflectivity for Ni
Added reflectivity class
First cut at adding ability to handle energy rays
Added .gitignore file
Added small description for install using pip
First cut at making detector energy aware
Added method to plot spectrum seen by detector
pep8 fixes
pep8 fixes
Added new data files, adding plotting routines
moved to function for spectrum, update to plotting
fixed merge conflict
Merge pull request #7 from ehsteve/energy

Added ability to simulate energy