byon resolver: handle spaces in hosts list
byon location: test machine ordering
bump Cassandra version to 1.2.16 (from 1.2.15)

- fixes https://issues.apache.org/jira/browse/CASSANDRA-6685
make SoftwareProcess.initDriver protected
Sequential task constructors: make like ParallelTask
CompoundTask: improve err message
Add TaskBuilder.addAll(children)

- and change Children to be TaskAdaptable, instead of Task
Tidy+use KnownSizeInputStream
Adds driver.copyResource(stream,target)
reset task blocking details to previous
Adds EntityManager.findEntity(predicate)
For attributeWhenReadyFromMultiple, add postProcess
attributeWhenReady: incorporate review comments
Merge pull request #1297 from aledsage/improvements/2014-04-01

Improvements/2014 04 01