Added LICENSE file

Added the text file that will eventually contain the licensing and
other such legal stuff for OSCAAR
Added MIT license to the LICENSE file

Will add more language to define what licenses are used soon.
Changed License File

Added statement defining DS9's status to the license file.
Updated README

Added a bit of description, websites, and info. More to come.
Added more to README
Merge branch 'Legalese'
Merge branch 'master' of https://github.com/OSCAAR/OSCAAR