Adding streaming HyperLogLog example using Algebird
Merge remote-tracking branch 'upstream/streaming' into streaming-eg-algebird

Conflicts:
	project/SparkBuild.scala
ZeroMQ stream as receiver
example for demonstrating ZeroMQ stream
Dependencies and refactoring for streaming HLL example, and using context.twitterStream method
Streaming example using Twitter Algebird's Count Min Sketch monoid
fixes corresponding to review feedback at pull request #479
removed document on zeromq
Merge pull request #487 from tdas/streaming

Merged latest master changes to streaming
Merge remote-tracking branch 'upstream/streaming' into streaming-eg-algebird
Bumping Algebird to 0.1.9
Adding documentation for HLL and CMS examples. More efficient and clear use of the monoids.
Merge pull request #479 from ScrapCodes/zeromq-streaming

Zeromq streaming
Merge pull request #480 from MLnick/streaming-eg-algebird

[Streaming] Examples using Twitter's Algebird library
Fixed resolver for akka-zeromq
Merge branch 'mesos-streaming' into streaming
Fixed differences in APIs of StreamingContext and JavaStreamingContext. Change rawNetworkStream to rawSocketStream, and added twitter, actor, zeroMQ streams to JavaStreamingContext. Also added them to JavaAPISuite.