twitter 6.x-3.0-beta3

Changes since DRUPAL-6--3-0-BETA2:

• #404470 by Rok Žlender, Gold, greenSkin, Delicious Creative, ezra-g, dandaman: Added Authenticate Twitter_Actions.module via OAuth.module 2.x instead of Basic Auth.
• #685964 by derhasi | Starminder: Fixed Invalid argument supplied for foreach() in ../sites/all/modules/twitter/twitter.lib.php on line 81.
• #428846 by acrollet, spiderman, claudiu.cristea | yelvington: Added Tinyurl and aliased path tokens for Actions.
• #821608 by ger.lv | phoenix: Fixed twitter_link_filter() hashtag up to 15 characters.
• #922042 by beeradb: Changed Allow twitter_actions() to work with workflow.module.
• Posting to twitter now requires oauth. updating post/actions to reflect