Reduce size of homepage example to fix overflow

http://imgur.com/a/7JJK7
fixed url reversing in downloads page. added tests for download views
Merge pull request #128 from esparta/master

Fixing issue #126
Simple database-backed code samples.

The initial samples as shown on the site now are included in fixtures/codesamples.json
Merge pull request #111 from meshy/patch-1

Reduce size of homepage example to fix overflow
Typo fix
point to python git mirror; fixes #125
make github link not 404
List upcoming events from the database on the homepage.

There's a little bit of filter gymnastics to get SHORT_DATE_FORMAT to work with the say-no-more span, but it should display date/month order properly localized now.
Remove 'beta' tag from image (didn't resize)
No beta tag on logo.
Merge pull request #139 from proevo/events_component

List upcoming events from the database on the homepage.
Add IndexView, remove the need for a template tag that makes database queries
Use py3k super()
Merge pull request #140 from briancurtin/master

Remove 'beta' tag from image
Merge remote-tracking branch 'origin/nobeta'
Merge branch 'code_samples' of github.com:proevo/pythondotorg into proevo-code_samples

Conflicts:
	templates/python/index.html
Fixing broken code sample
Adding robots.txt
Update codesamples.json

Corrected typo s/it own twists/its own twists/