This release hardens asynchronous script loading and updates the AddToAny sharing buttons:
* Add inline header JS for a2a_config & script loading logic
* Replace first button JS with one call to async script loading function, to utilize of concurrent downloading with async
* Add footer call to async script loading function, in case first button HTML+JS does not output
* Reduce JS whitespace output
* New buttons
* Default front page title if unspecified is "Drupal"
* Properly encode custom button URL in SRC attribute
Update March 28, 2012:
This release also fixed SA-CONTRIB-2012-045 - AddToAny - Cross Site Scripting but was not originally tagged to reflect that fact.