Merge pull request #72 from jmchilton/master

Add LICENSE.txt file
License to cloudbiolinux contributors
Bug fix related passing arguments from fabric to puppet classes.
Allow install procedure to differ from galaxy requirement name (e.g. install_blast sets up a blast+ requirement file).
Proteomics: Rev tint scripts install version.
Rev version of biocloudcentral.
Work toward creation of a flavor to setting up an open source version of swift, an open source proteomics web application for combining multiple proteomic search engines.

For more information on swift see:
- https://github.com/romanzenka/swift
- http://informatics.mayo.edu/svn/trunk/mprc/swift/index.html).