sbt: update hadoop libs to match EMR

hooray for lockstep version changes. removing the Cloudera package
resolvers at the same time.
sbt: fix exclusion rules to match maven pom schema

maven POM schema for exclusions requires both the org and module (name
in sbt land) to be specified. Correcting this will reduce deployed
application size and squash some potential logger bugs
Merge pull request #6 from aboyett/emr-hbase-libs

Update HBridge libs to EMR version and fix exclusions