properly caching jsonp by stripping url of unique callback
cleaned up unit test
added addtl. unit test for custom callback keys/functions
forgot to build
reformatted from space-2 to tab-4
added script to test all versions of jquery
Merge branch 'jsonp-cache'

Conflicts:
	lib/amplify.js
	lib/amplify.request.js
	src/request.js
Added additional versions of jQuery to the external directory
Version bump, and small tweak to only enable caching on JSONP on request definitions that have caching turned on. [Fixes #44]