some doc fixes
one test fix
fix for sertpent on new version of numpy
moved urls from s3 to cloudfiles (cf)
added KAERI parsing
Merge pull request #358 from scopatz/cf

moved urls from s3 to cloudfiles (cf)
Merge branch 'staging' of github.com:pyne/pyne into meshtal
Fixed Mesh class iteration issue. Meshtally now uses PyNE Mesh API.