initial add of spectrometry modules
PEP8ifing
Rename test_Spectrometry.py to test_spectrometry.py
Rename gammaSpec.py to gammaspec.py
Rename spectAnalysis.py to spectanalysis.py
updated following comments mostly better
updated spectplots to work with new names
added version check, fixed dead time error
improved labelling in plots & consistent naming
Adding CADIS function, needs testing.
updated tests, added efficiency functions
Add PEP8 fixes to gammaspec
PEP8 changes to spectanalysis.py
Merge pull request #1 from crbates/spec

pep8 fixes for spectrometry module
removed spaces at start of doc strings
Tests pass
PEP8 and minor edits
Forgot to stage test file
Added import guards.
Merge branch 'staging' of github.com:py1sl/pyne into py1sl-staging