Bumping protobuf version to 2.4.1
Converted consumer sinks to a factory pattern to more easily handle dynamic topic matching
Adding consumer start and stop convienence scripts
Fixed thread exception handling and some other minor issues
Fixed numthreads argument handling
Fixed forwarded addr logic
Changed hbase consumer prefixdate default to false
Added optional json validation to consumer
Fixed cancellation exception in consumer threading shutdown
Adding license headers to files that didn't have one
Minor modification to start_consumers
Added generic exception catch for json validator
Added hbaseShellId method to get an id compatible with hbase shell