plugins/tweet_url_reply.js: Add mobile.twitter.com.
Merge pull request #44 from watagashi/tweet_url_reply

plugins/tweet_url_reply.js: Add mobile.twitter.com.
Add some more hashtag-prefix-letters
stream.js: additional error handling
plugins/geomap.js: Fallback to bounding_box, if cannot get geometry.
Merge pull request #45 from watagashi/placemap

plugins/geomap.js: Fallback to bounding_box, if cannot get geometry.
iPhone embedded photo scrolling
notify.js: hide notifications before 180 days ago