Hide the seekbar in capture mode since it can never be used.

Commit was made with alexmarsev's kind help.
DVB: Try to avoid dummy resize
Split PM_CAPTURE mode into PM_ANALOG and PM_DIGITAL
DVB: Don't update stats when channel is not active.
Fix OnFilePostOpenmedia() for capture mode.
Lower Navigation panel minimal size.
DVB: Show current event time in the status bar
DVB: Make use out of the _DVBState struct.
DVB: Cosmetic for SetChannel()
Update Changelog
Restore default window rect on device lost.