Update README.md
Update README.md
Update README.md
Update README.md
Merge pull request #6 from ldecicco-USGS/master

Updates to readme.
Fixed conflicts.

Merge branch 'master' of github.com:jread-usgs/EGRET into jread-usgs-master

Conflicts:
	README.md
Merge branch 'jread-usgs-master'
Update README.md
Update README.md
merge conflict issues
Merge branch 'master' of github.com:USGS-R/EGRET