Update documentation on fake migration requirement

Will help users (like me) who ran into issue #125
Update index.txt
Set serialize=False on TaggableManager to fix tagged object serializing
Updated Django Versions.
Merge pull request #152 from asfaltboy/patch-1

Update documentation on fake migration requirement
Merge pull request #159 from adamgreig/fix-serializing

Set serialize=False on TaggableManager to fix tagged object serializing
Simplified ExtraJoinRestriction.as_sql
Allow to specify a related_name to enable multiple tagging relations on one model.

This is pretty barebone for now, but should work till a nice solution is found
(Model validation in Django is stricter than it needs to be :/).
Added support for prefetch_related on tags fields
added IDE to ignore
Made test python 2.6 compliant and removed gitignore item
more py 2.6 compliance
python 3.2 compatability
break some lines to match the 80 characters rule
added changelog
django 1.7 compatability
Merge pull request #140 from idanz/develop

Added support for prefetch_related on tag fields