Initial pass at creating a drat script.
Adding usage instructions and reset option.
Add 'go' option which runs all four in order.
Update readme with drat script.
Merge pull request #5 from tpalsulich/master

Ignore target directories
Merge pull request #6 from tpalsulich/drat-script

DRAT Script
Adding implementation of go option. Cleaning up parsing. Adding error handling.
Removing calls to OODT script.
Update readme with oodt start/stop directions.
Update readme description of RAT and DRAT.