Display available office hours as a list of datetimes

[sierranevadan]

Display available office hours as a list of datetimes. Click on a time to see who is available with links to the user profile.

[placer14]

How should we handle the searching by datetime? I'm thinking that information further into the future than a week is unnecessary.

I put a possible implementation in http://wiki.github.com/ezl/hnofficehours/specification under usersAvailableByDayTime.