update urls imports for django 1.6; fix #17
it's 2013
rename tests so the new test runner in django 1.6 works
django 1.6 quotes reversed urls, so work around that
replace django's deprecated SortedDict with collections.OrderedDict
updating history; new release
updating django environments for travis
adding a note about supported versions of django
Merge remote-tracking branch 'upstream/master'

Conflicts:
	redis_metrics/models.py