DistributedSuite: remove dead test code
Merge pull request #618 from woggling/dead-code-disttest

DistributedSuite: remove dead code
Use ARRAY_SAMPLE_SIZE constant instead of 100.0
Merge pull request #619 from woggling/adjust-sampling

Use ARRAY_SAMPLE_SIZE constant instead of hard-coded 100.0 in SizeEstimator
Fixed memory leak in DAGScheduler- needs more tests under error conditions.
Removed copyright
CSD version numbering and distribution management
Bump some dependencies, pin others, for Scala 2.9.2
DAGSchedulerSuite now part of core/src/test/scala/spark/scheduler
wip: Bringing Jon's DAGScheduler tests into the new DAGSchedulerSuite
[maven-release-plugin] prepare release spark-parent-0.8.0-candidate-csd-1
[maven-release-plugin] prepare for next development iteration
Specified commons-io version for spark-core