[rest] Added Rest Client Module to benchmark RESTful Web Services

[solr,solr6] Add Solr 6 binding

[solr] Upgrade Solr binding to 5.5.3

[jdbc, solr] Fix JDBC checkstyle and skip Solr 5.x with JDK 9

RedundantThrows is unreliable and latest checkstyle removes it.
https://github.com/checkstyle/checkstyle/issues/5#issuecomment-52593242

* in couchbase2 work around ReactiveX/RxJava#3824
* accumulo test hangs, so skip tests
* hbase10 and asynchbase test crashes with unknown class version, so skip tests
* orientdb tests fail, so skip
* core jar-with-deps fails, so keep them broken out

fixes #704, fixes #705

[azuretablestorage] Add Azure table storage

[jdbc] Assorted cleanup/fixes around batching and supporting different databases

[cassandra] Increase Cassandra test timeout and add logging for test failures

[cassandra] add sigar-dist dependency for maven test on Cassandra 2.2+ and tracing function

Tried to simplify the distinction between using JDBC's addBatch()/executeBatch()
API calls and "batching" updates via autoCommit=false and a manual commit() after
a given number of updates.

Breaks out flavors into their own package to reduce bloat in JdbcDBClient.

Encompasses changes from Enis Soztutar.

Add Phoenix flavor for Apache Phoenix.

[packaging] Fix distribution of bindings.properties

[release] Update the top level README.md file to point to the 0.11.0 release

[googledatastore] Upgrade googledatastore API from v1beta3 to v1.

[elasticearch] upgrade to version 2.4.0

This commit upgrades the Elasticsearch dependency from version 2.3.4 to
version 2.4.0.

[geode] Update to Apache Geode version 1.0.0-incubating.M3

[arangodb] Add ArangoDB Support