Add validating of 'for-each' task property DSL

Change-Id: I9736ae1d54c9285adffc4374680aa5be35b8499b
Docs fix - small structure fix

Removed redundant root level.

Change-Id: Iac3e01974a2e1c2b64e31109b748e61ec8306408
Add functional API tests for cron-triggers

- Added API tests which check main api calls to cron-trigger endpoint
- Fixed tearDown method (there was a problem when item array
had a few elements, not all of them were deleted)

Partly implements: blueprint mistral-triggers-functional-tests

Change-Id: Ibba7cd03e6ccdf06c76ea4ea161542b954faee0f
Merge "Add validating of 'for-each' task property DSL"
Adding method for authentication based on config keystone properties

Change-Id: I283b5d851d6bc2d62e6ba6814b1d1b47f79715bc
Merge "Docs fix - small structure fix"
Adding print out of server information into launch script

Change-Id: I57afa2c2340e209e10f4d4eeb2f8b1fd77d0dac3
Add passing auth info to std.http

 * Added passing auth in form 'user:password'
 * By default, it uses Basic Auth

Change-Id: I6f59a0d302110ee08123b018190d2b32adcb958d
Construct and pass action_context to action

If action_context is defined in the init method of an action, a
dictionary of execution and task information is constructed and passed
as input parameters to the init method.

Change-Id: I25627a0bc94c5b55a33b71602f44d7297e2a0c10
Closes-Bug: 1380873
Merge "Add functional API tests for cron-triggers"
Merge "Adding method for authentication based on config keystone properties"
Merge "Add passing auth info to std.http"
Merge "Construct and pass action_context to action"
Merge "Adding print out of server information into launch script"