Worker can read and write to sqs
Adding queue for complete and incomplete missions
Adding deleteMessage, handleMassage and more...
Merge branch 'master' of https://github.com/liranoz12/dsp

* 'master' of https://github.com/liranoz12/dsp:
  Adding deleteMessage, handleMassage and more...
  Adding queue for complete and incomplete missions
  Worker can read and write to sqs
beautifed Worker code; better error handling (specifically for bad messages); worker now ignores everything except 'new PDF task ..' messages; added AwsCredentials.properties resource, and changed the code to use that resource;