Converting our backend to Go using Google Appengine. This commit includes the Hello World example from Appengine's tutorials.
Merge branch 'master' of https://github.com/roim/namerizer into golang
Adding the Hello World tutorial from AppEngine
Merge branch 'master' of https://github.com/roim/namerizer into golang
New experimental Go APIs to:
    . Retrieve the list of nicknames a user uses
    . Add/Modify a nickname a user gave to someone
Implementing in Go the 3 APIs the django app currently supports:
    . Get Nicknames
    . Add Nickname
    . Get Suggestions
Merge branch 'master' of https://github.com/roim/namerizer into golang
Merge branch 'master' of https://github.com/roim/namerizer into golang
Chrome extension integrated with Go APIs
(nit) parsing authorId and targetId to float before sending the request)
Updating base service address from local to current app address
(nit) changing app error messages to match appengine's defaults
Changing the regex that matches request URIs, there might be a better way
to do this, but I'll leave it as it is for now.
(nit) getting the appengine context at the beggining of the handlers
Go log some errors.
Changing IDs to strings.
Go APIs ready and integrated with extension.

	. Adding json tags to AddNicknameContract
	. Removing Hex encode/decode
	. Ids now treated as strings
	. (Fix) nickname button only working after first try