PLAT-3538 - Allow a snapshot to tick

Add ability to pull manipulations from the view defintion in addition to the view cycle execution options.
PLAT-3538 - Allow a snapshot to tick

Minor code tidy up
PLAT-3538 - Allow a snapshot to tick

Correct javadoc
PLAT-3538 - Allow a snapshot to tick

Add in extraction of function params from config. Temporary fudge builder only.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	projects/OG-Engine/src/main/java/com/opengamma/engine/view/worker/SingleThreadViewProcessWorker.java