Added material library example.
Merge pull request #350 from scopatz/matlib

Added material library example.
Change pynesim.org to pyne.io
Merge pull request #351 from erelson/staging

Change pynesim.org to pyne.io
fix for numpy arrays not being sequences.
Merge pull request #356 from scopatz/x

fix for numpy arrays not being sequences.
adds deepcopy() capability to pyne materials
Merge pull request #357 from scopatz/deepcopy

adds deepcopy() capability to pyne materials
Added first R2S function, needs integration tests.
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)
Meshtal/Meshtally now allows for user specified tag names.
PEP8
Merge branch 'meshtal' into r2s
Merge branch 'staging' of github.com:pyne/pyne into meshtal
Fixed Mesh class iteration issue. Meshtally now uses PyNE Mesh API.