Adds time-view filter to uncategorized page

At jog0's request, this bit of javascript for the list of
Uncategorized failed jobs adds a feature to limit the time period of
failures displayed (without reloading the page) to 24 hours, 2 days,
or 1 week, in addition to the usual 2 week limit.

Change-Id: I0b6e9b0ea8d0a8eb1ba6d2e1c47beb0803e3ec33
Merge "Adds time-view filter to uncategorized page"