Index on action and start_timestamp
Merge pull request #890 from StackStorm/action-execution-index

Index on action and start_timestamp
added nohup
Merge pull request #892 from StackStorm/pwh/nohup

added nohup
Allow accessing Action views by reference

Also, added try-finally to tests to prevent failing of one to affect the other.

STORM-810 STORM-640
Merge pull request #853 from StackStorm/feature/overview_ref

Allow accessing Action views by reference
Implement streaming endpoint
Merge pull request #866 from StackStorm/feature/stream

Implement streaming endpoint
Programatic control over versions controller to return

- If no version is specified the default controller is used. For now this is v1 and can change in the future. Therefore
 -- http://hostname:9101/v1/actions and http://hostname:9101/actions are the same url.
Merge pull request #894 from StackStorm/versioned-url-lookup

Programatic control over versions controller to return
Remove empty string from remainder list in case of trailing /.
Merge pull request #895 from StackStorm/versioned-api-url

Remove empty string from remainder list in case of trailing /.
Also parse end_timestamp.
Update affected tests.
Merge pull request #897 from StackStorm/end_timestamp_fix

End timestamp fix
Don't explode if end_timestamp is not available.
Log exception traceback on inside _handler_error so it's easier to track those
exceptions down.
Merge pull request #898 from StackStorm/end_timestamp_fix_2

End timestamp fix 2
Merge branch 'master' into local_runner_refactoring
Update docstring.