Mark Templatetags and minor Refactor overview.py
Remove Errors on Overview Page

This removes the "errors" context variable in the overview view, the
tests aginst that variable, and the section of the overview template
that would include the sub template to render the errors.

Refs #11673
Fix GWM at Django 1.4

Django 1.5 added more strict requirements for STATIC_URL. Since our
settings doesn't currently end in a slash, the project fails to test or
run.

Refs #12801
Merge branch 'bug/11673' of git.osuosl.org:ganeti/ganeti_webmgr into develop
Fix GWM at Django 1.4

Django 1.5 added more strict requirements for STATIC_URL. Since our
settings doesn't currently end in a slash, the project fails to test or
run.

Refs #12801
0.9.2 Release

* Only change for 0.9.1 is that requirements freezes Django at 1.4
Merge branch 'develop' of git.osuosl.org:ganeti/ganeti_webmgr into develop
Merge branch 'release/0.9.2' into develop

Officially merging the 0.9.2 release branch.
Merge branch 'develop' of git.osuosl.org:ganeti/ganeti_webmgr into develop
pep8'd all files in ganeti_web
refs #13287
pep8's all in ganeti_webmgr
refs #13287
pep8'd all in ganeti_web/backend
refs #13287
pep8'd part of forms/
place to start: virtualmachine.py
refs #13287
pep8'd ganeti_web/forms
refs #13287
pep8'd more
ganeti_web/tests* not all subs
	./forms complete
	./models complete
	./views partial
start on vm_template.py
refs #13287
pep8'd tests
ganeti_web/tests/* finished
refs #13287
pep8'd utils
./ganeti_web/utils/* complete
refs # 13287
pep8'd views
./ganeti_web/views/* all complete
refs #13287
final pep8 work
refs #13287
Sorted out test errors
Ready for review
refs #13287