Code cleanup.


LDAPReplicationDomain.java:
Changed numReplayedPostOpCalled field from int to AtomicInteger.
Extracted methods newSet(), newList(), exists(), canRemoveAttribute().
Inlined getPendingUpdatesCount(), getNumReplayedPostOpCalled(), getNumResolvedModifyConflicts(), getNumResolvedNamingConflicts() and getNumUnresolvedNamingConflicts().
In contains(), changed parameter names.
Added javadocs to instance variables.
Reduced visibilities to default or private.
Added braces to if statements.
Used static imports.
Fixed Eclipse warnings.
Replaced unnecessary use of MessageBuilder by adding arguments to replication messages.

replication*.properties:
Modified messages to include arguments.