Updated README notes
Merge pull request #84 from ajturner/master

Updated README notes
removing yaml dep
no globals
all done with global vars in here
rm packages
fixing extent
fix typo in README.md
Merge pull request #87 from geobrando/master

fix typo in README.md
adding setup and providers for easier installation of providers on demand
Adding support for provider install
removing yaml dep
adding git-rev for /status
merged master
adding cluster servers
using new versions
new provider pattern and exports
updating status output
using version 0.1.4 of koop-server
better error log