Added 'open in Twitter' for tweets and users

src/controller/mainController.py

@@ -812,6 +812,11 @@ class Controller(object):
    non_tweet = buffer.get_formatted_message()
    msg = messages.viewTweet(non_tweet, [], False)
 
+ def view_in_browser(self, *args, **kwargs):
+  buffer = self.get_current_buffer()
+  if hasattr(buffer, "open_in_browser"):
+   buffer.open_in_browser()
+
  def open_favs_timeline(self, *args, **kwargs):
   self.open_timeline(default="favourites")