Navigating a long log with scrubbing/jumping to specific point of time

[bestchai]

The existing interface is sufficient for a few hundred events, but is unwieldy for long logs. A long log requires an advanced scrubbing interface that allows one to skip in time, particularly physical time if it exists in the log.

[Issue created by bestchai: 2014-01-23] [Last updated on bitbucket: 2014-08-26]