Updated service API to accept array of fixture ids for task execution

AFDP-163
Update controller to use array of fixture ids; updated js to send array

AFDP-162
Disable fixture actions on page load if fixture is executing a task
Fixed controller parameter name to accept array of fixture ids

AFDP-162
Fixed exceptions that weren't being caught and conveyed during task exec
Completed multi-select for fixtures view

AFDP-164
Added getWebDriver to AbstractRemoteSeleniumTest class

AFDP-164
Added functional tests for fixture multi-select

AFDP-164
Adjusted executor to provide an error message on exception.

AFDP-164
Added a message to a throw exception.

AFDP-164
Adjusted fields to include placeholders in the property file.

AFDP-164
Added a rule and annotation to optionally skip some functional tests.

AFDP-164
Eliminated an NPE when no task types are found for fixtures.

AFDP-164
Added a factory to easily create a static properties accessor.

AFDP-164
Added and adjusted functional tests.

AFDP-164
Merge pull request #55 from ualerts-org/AFDP-114

Afdp 114