[maven-release-plugin] prepare release spark-parent-0.8.2-candidate-csd-2
[maven-release-plugin] prepare for next development iteration
[SPARK-979] Randomize order of offers.

This commit randomizes the order of resource offers to avoid scheduling
all tasks on the same small set of machines.

This is a much simpler solution to SPARK-979 than #7.

Author: Kay Ousterhout <kayousterhout@gmail.com>

Closes #27 from kayousterhout/randomize and squashes the following commits:

435d817 [Kay Ousterhout] [SPARK-979] Randomize order of offers.

Conflicts:
	core/src/test/scala/org/apache/spark/scheduler/cluster/ClusterSchedulerSuite.scala
	core/src/test/scala/org/apache/spark/scheduler/cluster/ClusterTaskSetManagerSuite.scala
Merge pull request #2 from markhamstra/master-csd

Backport [SPARK-979] Randomize order of offers.
Update to allow non-global specification off TTL's for cleaning.
Merge pull request #4 from jhartlaub/master-csd

REL-257 Update to allow non-global specification off TTL's for cleaning.
Fix repo location.
release:prepare
Update maven-release-plugin version to deal with latest git.
[maven-release-plugin] prepare release spark-parent-0.8.2-candidate-csd-4
[maven-release-plugin] prepare for next development iteration
adding full outer join support