NodePredicates gained static predicate SUSPENDED

Replaced hard-coded Strings in toString methods of static predicates with their enum.toString counterparts

Added test 'testNodeRunningFailsOnSuspended'

Revert "Added test 'testNodeRunningFailsOnSuspended'"

This reverts commit 2a543bfe20540bb4f10ef4f86e845a63bdbe90e3.

Removed test 'testNodeRunningFailsOnSuspended'. Added test 'testNodeSuspendedReturnsTrueWhenSuspended'.

Renamed '

Revert "Renamed '"

This reverts commit 061e9292a812066562ab47ba5eea15337fc13c3d.

Renamed 'AtomicNodeSuspended.nodeRunning' to 'AtomicNodeSuspended.nodeSuspended'.\nWhere applicable combined all calls to 'replay(Object...)' instead of the old 'replay(node);replay(computeService);'
JCLOUDS-582: Enhancements to availability zones api
JCLOUDS-471: Adds pool field to FloatingIP and updated related tests.
Methods: resumeNodesMatching, suspendNodesMatching, and rebootNodesMatching have been refactored to match the functionality provided by method destroyNodesMatching.
Code cleanup. No functionality added/removed