fixed a bunch of spelling before making real changes/additions. Added a few comments in intro.
Merge pull request #4 from rachelslaybaugh/master

fixed a bunch of spelling before making real changes/additions. Added a ...
added a reference for git; attempted to make intro a bit more clear in terms of goals and status.
Merge branch 'master' of github.com:pyne/ans-winter-2014-vnv
clarification of and typo correction for the PyNE Software Development Practices section
Merge pull request #5 from rachelslaybaugh/master

general cleanup of first two sections
Cleanup.
Resolving merge conflicts.
Nearly done with the NQA-1 section.