Bug fix, EnvironmentInfoDescription should call super()

This was causing a failing integration test, now they all pass:

  $ nosetests -sv test_wrapper.py
  (... omitted ...)

  ----------------------------------------------------------------------
  Ran 19 tests in 1221.014s

  OK
Changing version for develop branch to include -dev
Merge branch 'develop' of github.com:boto/boto into develop
Update docs/source/s3_tut.rst
Updated EC2 tutorial to use recommended connect_to_region()
Removed Sphinx warnings from beanstalk inline docs
Removed sphinx warnings on dynamodb inline docs
Fixed sphinx warnings on elasticache inline docs
Fixed up sphinx warnings in emr inline docs
Fixed up sphinx warnings in ec2 inline docs
Fixed up sphinx warnings in SQS inline docs
Fixed up sphinx warnings in route53 inline docs
Fixed up sphinx warnings in vpc inline docs
Mods to avoid caching huge object content when seeking to 0 in a large download
Fixed up some links in cloudsearch inline docs
Add endpoint for dynamodb in sa-east-1
Add support for s3 in sa-east-1
Added service endpoints to SWF.

Endpoints taken from http://docs.aws.amazon.com/general/latest/gr/rande.html#swf_region
Merge pull request #1306 from a5an0/develop

Added SWF endpoints
Merge branch 'pasc-beanstalk_inline_docs_sphinx_warning_removals' into develop

* pasc-beanstalk_inline_docs_sphinx_warning_removals:
  Removed Sphinx warnings from beanstalk inline docs