Minor Javadoc updates.
Upgraded Netty and RestExpress jars.  Added javac.target to compile steps.
Introduced preliminary Cassandra build and basic repository structure (not yet building).
Intermediate check-in, including DataStax async driver.
Whitespace mostly.
Merge branch 'master' into cassandra

Conflicts:
	.classpath
	build.properties
	build.xml
	mongodb/src/java/com/strategicgains/repoexpress/mongodb/AbstractMongodbEntity.java
Removed usage of UuidConverter from AbstractUuidMongodbEntity so UUIDs a fully displayed instead of shortened using Base64 encoding.
Very rudimentary cassandra beginnings.
Merge branch 'master' into cassandra
Preliminary Cassandra repository work.  Not there yet, but some early place holders.
Deprecated Voldemort support.
Changed UuidIdentityRepositoryObserver to only assign a random UUID if the object ID is null on creation.
Merge branch 'master' into cassandra
Renamed AbstractCassandraEntiry to AbstractUuidCassandraEntity
Added database name to Cassandra repositories.
Merge branch 'master' into cassandra
Updated driver versions for Cassandra, MongoDB, Redis
Introduced first cut of CassandraConfig object.
Initial basic operational repository.