timeline: Fixed the "Today" and "Yesterday" labels in the timeline for non-GMT timezones.
timeline: Fixed the "Today" and "Yesterday" labels in the timeline for non-GMT timezones.

Patch by jomae. Closes #9386.


git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@9799 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac