misc fixes guarding against nulls and bash weirdness
sudo/bash changed again to pipe output to bash, fixing other problems
bump jclouds version to brooklyn ea5
fix issue reloading brooklyn.properties for some startup conditions
fix bug where regionName would be ignored for some purposes, and where it would be used as the endpoint for GCE
fix issue where postgres user couldn't see files under inaccessible ~brooklyn_user
another postgres fix - can't always put into dir belonging to different user
Merge pull request #1293 from ahgittin/misc

misc fixes guarding against nulls and bash weirdness
add file to provide javadoc for utils-groovy project
Merge pull request #1295 from ahgittin/fix-javadoc-for-utils-groovy

add file to provide javadoc for utils-groovy project
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
Add additional interfaces when instantiating concrete implementation defined in YAML
Adds driver.copyResource(stream,target)