Print failed resource id and reason for failure
Catch the ObjectNotFound exception when deleting
Update README to include datastore_upload
Merge pull request #35 from okfn/datastore-upload-docs

Update README to include datastore_upload
[#33] Add logging message for ignored ObjectNotFound exception when trying to delete existing datastore tables.
Merge pull request #34 from okfn/33-failed-resources

Print failed resource id and reason for failure
[#32] Merge origin/master
[#32] Add status messages for unmodified resources