0.2.2 (08.12.2013)

* allow using s3 based storage not hosted by Amazon
* added more shortcut functions (delete, get_url, download)
* allow to set permissions on bucket/key other than public read
* fixed S3Storage.url
* hopefully all backwards compatible
0.2.3 (09.12.2013)

* changed default added in 0.2.2 for generated urls to use https rather than http. fixes #2
* allow creating write-once files, by setting replace=False on upload. fixes #1
* override Storage.get_available_name to stop creating extra files when you intended to replace existing file.
* by default will now replace existing files rather than creating a new file with suffix
* tidy up duplicate code in shortcuts
* reduce the default expire period to 30 seconds
Merge branch 'master' of github.com:stuart-warren/django-boto into stuart-warren-master

Conflicts:
	django_boto/s3/storage.py
Merge branch 'stuart-warren-master'
Update changelog