RubyRep: Adjusting postgresql test creation script to support RubyRep on postgresql 8.x
MySql: adjusting to use the correct HOSTNAME attribute in DB_URL
PostgreSql: adjusting to use the correct HOSTNAME attribute in DB_URL and adding SERVICE_UP check in SshMachineLocations
minor performance tweak (groovy truth expensive null check here)
workaround for sshj bug
update use of deprecated web sensors
track tasks by ID, and expose via REST API (WIP for task display, as well as used for GC reporting)
logging for brooklyn garbage collection
Merge pull request #588 from aplowe/RUBYREP

RubyRep: Adjusting to support RubyRep test on postgresql 8.x
Merge pull request #596 from ahgittin/misc

several minor tidies
BrooklynGarbageCollector: conditionally do system.gc

- Exposes "brooklyn.gc.doSystemGc" config for whether to do
  System.gc periodically as well.
- Renames gc() to gcTasks() and adds javadoc for it
Add more to StringsTest.testSizeString
Merge pull request #597 from aledsage/fix/AbstractController-removeMember

Fix AbstractController.removeMember when hostname null
Merge pull request #598 from aledsage/fix/ahgittin-misc

ahgittin misc: incorporate review comments
Rename DownloadResolverRegistry to DownloadResolverManager

- And delete DownloadResolverFactory
Rename DownloadResolver.getUnpackedDirectorName

- Fix spelling to getUnpackedDirectoryName
Rename EntityDownloadManager.resolve(...) to newDownloader(...)