Switch to Pinax current

- get Pinax from Alex's fork
- add PIL to requirement file (experience will tell if it's a good idea or not)
- refactor README accordingly
Closes #14 Tags with non-ascii characters not displayed in tag list
Use my fork of django-tagging-ext
Fix blog and tribes pages

Was broken by running dev version of django-tagging-ext
Tweak for deployment to own virtualhost
Add middleware to send exceptions to Apache log
Fix blog and tribes pages

Has been broken by switching to dev version of django-tagging-ext which
renamed its templatetags module.
Tweak for deployment to own virtualhost
Add middleware to send exceptions to Apache log
Personalize text on homepage

Closes #19
Remove analytics code that we don't use
Merge branch 'master' of git@github.com:alex-marandon/smeuhsocial
Do not override templates when it's not necessary
Document how to edit local LDAP database
Let LDAP users be active

Closes #18
Typo. Closes #25
Set different color for visited links

Closes #22
Set default avatar by tth
Fix path to custom base CSS
Add Alex to list of admins

This will cause exceptions to be emailed to Alex