Small correction in Streaming Programming Guide doc

Corrected description of `repartition` function under 'Level of Parallelism in Data Receiving'.

Author: akkomar <ak.komar@gmail.com>

Closes #1079 from akkomar/streaming-guide-doc and squashes the following commits:

32dfc62 [akkomar] Corrected description of `repartition` function under 'Level of Parallelism in Data Receiving'.

(cherry picked from commit edb1f0e3164b99b483b6878efe0b6ea5ae9f97ed)
Signed-off-by: Reynold Xin <rxin@apache.org>
[SQL] Update SparkSQL and ScalaTest in branch-1.0 to match master.

#511 and #863 got left out of branch-1.0 since we were really close to the release.  Now that they have been tested a little I see no reason to leave them out.

Author: Michael Armbrust <michael@databricks.com>
Author: witgo <witgo@qq.com>

Closes #1078 from marmbrus/branch-1.0 and squashes the following commits:

22be674 [witgo]  [SPARK-1841]: update scalatest to version 2.1.5
fc8fc79 [Michael Armbrust] Include #1071 as well.
c5d0adf [Michael Armbrust] Update SparkSQL in branch-1.0 to match master.
Merge branch 'branch-1.0' of github.com:apache/spark into csd-1.0