Event and Commitment
more of the same
more
Fixed Delete, it's no longer a hack. The UrlConnection used in the client is a java standard class, it has java standard abitrary limitations like not being able to open output streams for HTTP.Delete. Used the X-HTTP-OVERRIDE header & updated the WPI Core servlet to process this header to doDelete() as nature intended.
Some controllers and observerers were touched. some of the Delete observer's expected the response to include an representative object - like from a get request but the server doesn't do that.

Oh, Also... Added a uniqueID to our models to fasciliated deletion. The old deletion field should be removed but I just deprecated it for now to avoid conflicts.
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Merge branch 'dev' of https://github.com/CS3733Team1/wpi-suite into dev
Just a few fixes in line with my changes to the models. I think everything works, if something's broken look to commitments.