Added base support to virtualenv-based installation.
Removed dependency of "django.contrib.admindocs" for "core" app.
Improved form rendering and fixed "render_model_details" templatetag.
Improved style of form fields.
Back URL is now stored in form action.
Improved CSS for filterbox and property tables.
Improved Link model:

1. Added "context" field. It allows mapping request context variables in local link context variables.
2. Only context variables are now allowed in URL (interpolated with the request context). Improved security.
3. Description and title are also interpolated with local link context.
4. Added support for row-level permissions (the object is retrieved using a default "object" context variable).
Added support to editing and deleting users.
Changed buggy link context handling:

Now link's title and description are interpolated with global context instead of local one.
Only the parameters of the URL pattern could now be passed through the local link context.
Object perms check looks for an "object" variable in the global context instead of local one.
Added new "raw_model_name_*" filter family which retrieve untranslated model name from model's class.
Added initial support for template localization based on user's language option.
Added full support to right-to-left layout.
Fixed retrieving model list actions (with i18n).
More uniform labels.
Micro-fixes to form rendering.
Improved style for table captions and th elements.