Add rightscale.api.RightScale.find_right_script() method.
add simplejson requirement
Working rightscale.server_array.Execute actor (missing actor tests).

Unit tests and API methods are all built, but the actor tests are still
TBD.
one more bug fix to the build system
rightscale.server_array.Execute actor unit tests
Execute actor README
Only return True if all of the task executions succeed.
Remove debug print statement.
Begin/Finish execute() log entries shoudl be set to INFO.
Implement RightScale.update_server_array_inputs() method.

Retrieves the next_instance resource collection from RightScale, then
calls the multi_update method to update the next server inputs.
Add 'inputs' as an option for the server_array.Update Actor.

The ServerArray Update Actor now takes both 'inputs' and 'params' as
optional settings that can be used to patch an array.
Bugfix: Use method reference, don't actually execute it
Quiet down the duplicate logging unless we're in dry mode.
Merge pull request #10 from Nextdoor/rightscale_execute_actor

Rightscale execute actor (issue #8)
Merge pull request #12 from Nextdoor/rightscale_update_actor_issue_7

Issue 7: Allow patching either-or-both server array parameters and inputs.
Add AWS Actors using boto.
Add simplejson to requirements.
Add SQS "wait until empty" Actor
Add ELB-Wait Actor

* UNTESTED
Minor code refactoring

* Create AWS base class (not a base actor)
* Use tornado_sleep() everywhere