text fields: listen for focus rather than click to allow for tabbing by user
fix string formatting in errors
fix initialisation in app.py
update (and fix) Meme model
mostly implement the content retrievel and storage of page scraping
templates: add status_code and checked in list of memes
improve error handling in reldatetime filter
implement celery for task queueing
fix bug where whooshalchemy didn't like blank fields
make Meme model use UnicodeText
make scraper.crawl actually work!
turn on celery processing for memes in development server
return index_service from models.setup()
add celeryd and set it up in fabfile
add status filter for http statuses, add checked status to meme.html
Make Hactar heading link back to home
change url/title field to have "http://" by default, only clear it on click
fix bug where celery tasks weren't updating whoosh index
Fix up scraper some more:
 * return page content as unicode
 * do after_commit in the correct place
some cleanup in hactar.scraper