Add distinct() method to RDD.

Fix bug in DoubleRDDFunctions.

Scalacheck groupId has changed https://github.com/rickynils/scalacheck/issues/24. Necessary to build with scalaVersion 2.9.2. Works with 2.9.1 too.

fixes various bugs in the previous code when running on Mesos.

across projects).

Fixed nasty corner case bug in ByteBufferInputStream. Could not add a test case for this as I could not figure out how to deterministically reproduce the bug in a short testcase.

ConnectionManager and DAGScheduler properly, plus a fix to
LocalScheduler that was not merged in from 0.5 and was actually caught
by one of the tests.

development.

for new users to get up and running on EC2.