Create README.md
Merge pull request #71 from davetcoleman/hydro-devel

Renamed Github repos in docs, better error checking for spawning controllers
Fix build order.
Tests build.
adding install targets for plugin xml files
Merge pull request #72 from jhu-lcsr-forks/hydro-devel

adding install targets for plugin xml files
Making script install target install scripts so that they are executable
Merge pull request #73 from jhu-lcsr-forks/hydro-devel

Making script install target install scripts so that they are executable