New DataEntity classes
Added supplier method to builder for FunctionFeed pollers
Use single character generic parameter type names
Update example usage for BasicEntity
Added configuration key for polling period
Added test for DataEntity
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)
reset task blocking details to previous