Update subtitle content for some edge cases

keyup only captures changes from keyboard events, not things like
right clicking and pasting.  The input event should capture
everything on modern browsers.  propertychange works for IE7.
Fix urlize in the team applications (#1231)

We should run the text through urlize before linebreaksbr.  When the
<br>s are in the text, then there's no whitespace between words and
that confuses urlize.
Merge pull request #1270 from pculture/gh-1228

Update subtitle content for some edge cases
Merge pull request #1269 from pculture/gh-1231

Fix urlize in the team applications (#1231)
Merge branch 'staging' into gh-780