MythCenter-wide: Fix height overflow and width in schedule-ui.xml

Eliminate notice level logs about height overflow in the
programguide-video (Live TV Program Guide),
channelrecpriority (Channel Recording Priorities) screens.

Fix width of category_list in editpowersearchpopup.
MythCenter-wide: Fix apparently untested 44f29fd

Fix the fix to programfind (Program Finder) screen.
MythCenter: Make consistent with MythCenter-wide

Add "Automatically Look Up Metadata" checkbox to postproceditor
(Post Processing options for Recording Rule) and move other elements
to accomodate metadata option.

Minor changes to:
custompriority (Custom Priority Rules)
phrasepopup
timepopup
powersearchpopup
editpowersearchpopup
searchpopup
managerecrules (Manage Recording Rules)
customedit (Custom Record Rules)