bashrc: Move prompt function into bashrc.

 * Makes the file itself more portable outside of its use in forkmydots.
 * Fixes previously-unnoticed problem with power usage reporting in prompt.

Signed-off-by: Wayne Warren <waynr@sdf.org>
tmuxrc: Adds new keybinding. 'O'.

Signed-off-by: Wayne Warren <waynr@sdf.org>
kessel: Minor cleanup and rearrange for funky.

Signed-off-by: Wayne Warren <waynr@sdf.org>