ID86-U and command to move mythfrontend in front of GNOME panel

https://www.mythtv.org/pipermail/mythtv-users/2014-June/364798.html

Metadata lookup failing locally
touch $HOME/.mythtv/pytmdb3.cache
Force refresh all video metadata
  1. On server, rename videos directory
  2. On frontend, scan for changes
  3. On server, rename it back
  4. On frontend, scan for changes