Created ExpandedJobInfo, which contains info about last execution.

UI now shows this.

Also, changed all references of scheduleJob to createJob

When no executions, UI now shows "no executions" over 
the entire line for the job
XD-824 ChannelRegistry now MessageBus

createInbound now bindConsumer

createOutbound now bindProducer

etc
XD-824 updated StreamPlugin
XD-820 a ':' can be embedded in a identifier thus allowing for namespaces.

Rebase Update

Tests now represent the new DSL
Taps now no longer need leading colon
XD-827 add --json parameter to twittersearch

also using JSON friendly XDTweet subclass of Tweet

Ported Spring Social Tweet object graph
Updated to Reactor M2
XD-808 Updating to spring-data-hadoop 1.0.1.RELEASE

Adding hadoop-mapreduce-client-jobclient for Hadoop 2.0 distros
Updating to hadoop-2.0.6-alpha
Adding version specific dependencies for spring-data-hadoop to avoid runtime issues
Updating to include avro jars
Upgrade spring batch admin
- Upgraded to use 1.3.0.M1