WH-1489 - Fixed minor issues in twitter_api module.
WH-1489 - Renamed twitter_api module to twitterapi.

	modified:   README.md
	modified:   TwitterApi.inc
	renamed:    twitter_api.drush.inc -> twitterapi.drush.inc
	renamed:    twitter_api.info -> twitterapi.info
	renamed:    twitter_api.module -> twitterapi.module