VnV start.
Rough draft of VnV guide
Proofread.
Ubuntu build script.
clean up
PR tweaks.
Documenting MOAB and PyTAPS as optional dependencies.
Merge pull request #535 from rachelslaybaugh/develop

updating some tutorial material for rpsd2014
Add links to different languages in style guide
Merge pull request #533 from elliottbiondo/install

Ubuntu build script
Merge pull request #532 from elliottbiondo/VnV

V&V dev guide entry