netflix template
gzip
track original_id; use it to prevent duplicate twitter inserts
rake find_duplicate_activities
start wrapping timestamp manipulation code in begin/ensure
minor template tweaks
JsonApi -- don't try to render template on 404s
Twttr -- option to skip a tags
Weather.prefetch -- allow start & end dates to be the same
Activity#title/Activity#description (#23)
adjust activity show page to use title & description
header cleanup:

* kill email-generation JS
* generate rel-me links
* de-duplicate/simplify some stuff
* title/description magic