#382 Initial commit of new twitter streaming demo.
Minor update to data file path.
#382 Putting a bow on twitter streaming sample and general cleanup of demos and their dependencies, for PR.
#382 Removed line in new demos documentation about assembly - this functionality is not completed yet in the build.
#382 Added links in the README for new demo documentation and embedded documentation.
#382 Removed redundant demo settings javaOptions in run.
#382 Reverted demo back to use SomeColumns.
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#382 Simplified the regex for twitter demo filtering.
#382 Improved the spark computation, simplified and updated documentation.
Merge pull request #411 from datastax/wip-382-new-twitter-demo

Add twitter streaming sample, demos documentation, dependency cleanup
Ninja fix on quick start doc adding where to find versions, composing the dependency declaration, and correcting the connector name.
Fix saving collections of Tuple1 - add missing implicit RowWriterFactory. Improve performance of TableWriter integration tests.
Fixes #408.
wip-java-api-fix: Updated API docs
wip-java-api-fix: Updated manual
wip-java-api-fix: Addressed Helena's comment
wip-java-api-fix: Added summary of Java API changes