Stub out Tweet Fetch module, admin config, and "try it" GUI.

	new file:   tweetfetch.admin.inc
	new file:   tweetfetch.info
	new file:   tweetfetch.install
	new file:   tweetfetch.module
Added README.

 	new file:   README.md
WH-1487 - Build out Tweet Fetch module.

  Check Twitter REST API for new tweets. Write to static JSON files to be pushed
  up to CDN.

	modified:   README.md
	new file:   json-examples/user_timeline.screen_name=whitehouse.count=10.json
	modified:   tweetfetch.admin.inc
	new file:   tweetfetch.drush.inc
	modified:   tweetfetch.install
	modified:   tweetfetch.module
Merge commit '92e13962621632ab4e0cd06e5f7739b221ee0e57' into working