Merge branch 'release/0.4.2' into develop
bump to SNAPSHOT
Add current version to README

Conflicts:
	README.md
add ganglia reporter
fix fn name in report-to-ganglia
rename metrics
add elephantdb-client
use logback in elephantdb-server
add the other slf4j bridges
rename some utility functions
add client readme
add to readme
rework README example
add status calls to client and update client readme
add get-thrift
don't create TSerializer in map
add ignoreSpec boolean to ElephantDBTap
add ignoreSpec to DomainStore constructor
revert to prior behaviour of copying the directory all at once.
revert to prior behaviour of copying a shard directory all at once.