DDF-555: Moved resource plugin to be part of standard framework feature.
DDF-559 - updated to activities-0.1.0
DDF-550: Failed resource retrieval will restart at offset
DDF-543 Added listener to listen for download cancellation message and cancell the download
DDF-543 Added unique id for each download instance and saved all download instances
DDF-567: Metacard was being returned with a type unrecognized by DDF.
DDF-550: Failed resource retrieval will restart at offset
DDF-543 Check for null and check whether a string is a valid number
DDF-539: removed developer todo comments
Merge pull request #12 from harrison-t-lm/master

DDF-565 - Updating atom transformer output with more accurate link information.
DDF-543 Code cleanup per review comments
Backend support for Download Management
Added removeDownloadInfo function for garbage mgmt
Added javadoc; fixed some typos
Added cancel download functionality