Fix remaining CS warnings in sal-distributed-datastore

Fixed remaining warnings and enabled enforcement. Most of the
warnings/changes were for:
 - white space before beginning brace
 - line too long
 - illegal catching of Exception (suppressed)
 - variable name too short
 - javadoc issues

Change-Id: I5ae5cf9276e0884595137d551a311e8322b2e25e
Signed-off-by: Tom Pantelis <tpanteli@brocade.com>