[bug 971000] Added django-axes to vendor.
[bug 971000] Protect login with django-axes.
[bug 977324] Remove "I dont have an account" link
[bug 973959] Tweak l10n_completion.py and add to cron.

Now the script also outputs a current status file with
only one data point and without the apps data. This is
all I need for now.
[bug 973959] Run l10n script as root.
Add rscripts variable for crontab.

They get to run with whatever user is specified in crontab.tpl.
[bug 964520] robots->noindex all the non-article kb pages.
[bug 972522] Upgrade to django-taggit v0.11.2.

* Also, converted the dependency to a git submodule.
* Includes migration to add taggit to south.