MythUI:  Include "minimum" size of a buttonlist, when determining the
minimum size of a group of siblings.

(cherry picked from commit e2ec48e214d66459e69fb1b22e7c795353c7ca2a)

Conflicts:
	mythtv/libs/libmythui/mythuitext.cpp
Extend the time-outs in mythplayer to allow the analog side of the hvr-2250

to work.

Patch by webe3vt@aim.com

Fixes #11402

(cherry picked from commit b387dbeb6e8edb42edf42b3173db1d9b31e9c8e5)