fixed get_version_path in order to work with an absolute server path

see issue #36
Fixed Issue #36
Fixed: SAVE_FULL_URL removed from tests
Fixed: version tag can now be used with Django's ImageFieldFile object.
Removed 'rename()' method from StorageMixin class -- redundant next to the 'move()' method
Add sorl-thumbnail support
Merge pull request #44 from Sharpek/master

Fix for sorl-thumbnail
added placeholder

see issue #43
added attribute aspectratio to fileobject
S3Boto StorageMixin Class provided.
Merge branch 'master' of https://github.com/sehmaschine/django-filebrowser
translation update
docs update
updated master-branch version to 3.4.1
typo in html comment
Merge pull request #49 from marconius/patch-1

typo in html comment?
html comment typo
fixed Fileobject.exists method
moved value preparation of the FileBrowserField from get_db_prep_value to get_prep_value, to avoid maximum recursion errors on manager.get calls
default_site if site is None; renamed variable in for loop from "f" to "m"; wrapped a try/except around the f.close()