First commit! Contains the persistence & retrieval of the first version 
of Vendor and Contact data objects.
Moved servlet classes to the web package.
First version of REST API support.
Changed the web.xml to initialize Jersey resources from the WorkProtocol
Application class. Otherwise GAE will throw an error as its class loader
will not be able to load the resources.
Deleting the older version.
Committing an older version of JAXB so that GAE will work.