Rename nav_tree app to "routes"
Rename Node and node to Route and route
Merge branch 'master' into routes-app

Conflicts:
	conman/nav_tree/tests/test_models.py
	conman/redirects/tests/test_handlers.py
	conman/redirects/tests/test_models.py
	conman/redirects/tests/test_views.py
Merge pull request #40 from meshy/routes-app

Rename nav_tree app to "routes"