Removes old Velocity templates from http-api
Removes hard-coded "/rest/" from @Path annotations. The path "/rest" is now set in web.xml (and so is technically variable).

jersey-servlet is no longer greedy, so we can serve static resources. This also could have been accomplished by setting
the Jersey SpringServlet as a filter and then using a regex to exclude static resources, but I didn't see a reason to favor
that approach

Also adds a favicon to webapp/