Reapplied changes by Laiso to Tweepy to add status_update_with_media()

* Reapplied changes by Laiso to Tweepy to add status_update_with_media():
  * reapplied changes by Laiso: https://github.com/laiso/tweepy/
  * /1 -> /1.1 for API version
  * allows embedding images in tweets
  * reapplied to latest version of original Tweepy
  * needed because of change to Twitter API v1.1
Updated upload url for media

* Updated upload url for media:
  * upload.twitter.com -> api.twitter.com