Addition of RDS instance available/deleted waiters#84

Merged

jeremeamia merged 3 commits intoaws:masterfrom tomsmaddox:master

Jun 6, 2013

+126

Commits on Apr 22, 2013

Added availability waiters for RDS instances.
Tom Maddox
committed
Fixed permissions
Tom Maddox
committed

Commits on May 13, 2013

Fixes as suggested.
Tom Maddox
committed