example django app: removed warnings on django 1.8

compatible with django 1.4+
Merge pull request #878 from collinanderson/urls

example django app: removed warnings on django 1.8
clean whitespace
Merge pull request #882 from collinanderson/whitespace

clean whitespace
updated homepage example for gunicorn 19
Merge pull request #883 from collinanderson/gunicorn19homepage

updated homepage example for gunicorn 19
cleaned some code
Merge pull request #885 from collinanderson/morewhitespace

clean code slightly
closes #875. add full working systemd configuration example
Merge pull request #888 from toidi/master

closes #875. add full working systemd configuration example
imporoved ubuntu docs
Merge pull request #889 from collinanderson/ubuntudocs

imporoved ubuntu docs
merged the two Logging sections
simplified Django docs
Merge pull request #890 from collinanderson/djangodocs

simplified Django docs
Merge pull request #891 from collinanderson/mergelogging

merged the two Logging sections
Fix typos.
Fixed typo
Merge pull request #893 from augiwan/patch-1

Fixed typo
sys.stderr.write -> print(msg, file=sys.stderr)