Seafile/Seahub stack update with a dependence update.

[Ricky Gallamore]

www/seahub        https://reviews.freebsd.org/D3943
www/py-seafdav  https://reviews.freebsd.org/D3944
www/py-seafobj   https://reviews.freebsd.org/D3945
www/py-django-statici18n        https://reviews.freebsd.org/D3946
net-mgmt/seafile          https://reviews.freebsd.org/D3947
net-mgmt/ccnet            https://reviews.freebsd.org/D3948
net-mgmt/seafile-gui    https://reviews.freebsd.org/D3949
devel/libsearpc             https://reviews.freebsd.org/D3950


Also made a new port which I no longer need py-django-statici18n. I figured
someone may want it down the line.


Ultima