Complete ensdf decay list
Add function to process ensdf files for origen data
Add docs
Ipython notebook for open origen data creation
ensdf tools to determine levels associated with b+ and b- decay

This adds two new record parsers and determines betas and electron
captures associated with a particular level
Update notebook to parse data for origen to be compatible with ensdf.py
Add continues for speed and some bug fixes to gamma_rays()
Add/update docs
remove redundant br initialization in origen_data()
remove superfluous normalization record data form origen_data output

Also adds bug fixes to open origen data notebook
Merge branch 'origen_ensdf' of https://github.com/crbates/pyne into crbates-origen_ensdf
Correct docs for origen_data
reduce all lines to < 80 chars in length

Adjust if statements and use line continuations to keep all lines
within style guide limits
remove default filename values
Add test for origen_data
Merge branch 'origen_ensdf' of github.com:crbates/pyne into crbates-origen_ensdf
Merge branch 'crbates-origen_ensdf' into staging