buildout.cfg, testing.cfg: correct the [HOW-TO-BUILD-THIS] to be accurate
1.5 porting fixes, everywhere:
cab/urls/ languages.py, snippets.py:  fix, make a "call" w/args, to ListView.as_view
cms/settings.py:  fix, add 1.5 Middleware!
cms/urls.py, coltrane/urls/categories.py:  use url() consistently
coltrane/urls/  entries.py, links.py:  use 'django.views.generic.dates' generic class Date views - correctly
coltrane/urls/tags.py:  use 'django.views.generic.list' generic class List, Tag Views - correctly
coltrane/views.py:    use 'django.views.generic.list' generic class List, Tag Views - correctly