Modifications to buttonlist sizes and positions.
This is needed because of a "recent" commit from the MythTV devs
which changed the way MythTV is calculating the sizes needed.
Without this MythTV was not showing the last row of the affected buttonlists.
This seems like a bug in MythTV because the spacing between rows appears to no
longer be consistent so I may have to revert this commit in the future.

modified:   gallery-ui.xml
modified:   menu-ui.xml
modified:   schedule-ui.xml
modified:   video-ui.xml
Removed executable permissions on them images.
Bumped version to 4.55.

	modified:   images/43corrector.png
	modified:   images/blankbutton_off.png
	modified:   images/blankbutton_on.png
	modified:   images/blankbutton_pushed.png
	modified:   images/checked.png
	modified:   images/checked_selected.png
	modified:   images/cursor.png
	modified:   images/downarrow.png
	modified:   images/folderclosed.png
	modified:   images/folderopen.png
	modified:   images/gg-arrow-left.png
	modified:   images/gg-arrow-right.png
	modified:   images/gg-rs-all.png
	modified:   images/gg-rs-channel.png
	modified:   images/gg-rs-findone.png
	modified:   images/gg-rs-override.png
	modified:   images/gg-rs-single.png
	modified:   images/gg-rs-timeslot.png
	modified:   images/gg-rs-weekslot.png
	modified:   images/halfstar.png
	modified:   images/lb-check-empty.png
	modified:   images/lb-check-full.png
	modified:   images/lb-check-half.png
	modified:   images/lb-dnarrow-reg.png
	modified:   images/lb-dnarrow-sel.png
	modified:   images/lb-ltarrow-reg.png
	modified:   images/lb-ltarrow-sel.png
	modified:   images/lb-rtarrow-reg.png
	modified:   images/lb-rtarrow-sel.png
	modified:   images/lb-uparrow-reg.png
	modified:   images/lb-uparrow-sel.png
	modified:   images/left_arrow.png
	modified:   images/leftarrow.png
	modified:   images/mv_browsemodemask.png
	modified:   images/mv_gallery_dir_up.png
	modified:   images/mv_gallery_dir_up_open.png
	modified:   images/mv_level_high.png
	modified:   images/mv_level_low.png
	modified:   images/mv_level_lowest.png
	modified:   images/mv_level_medium.png
	modified:   images/mv_level_none.png
	modified:   images/right_arrow.png
	modified:   images/rightarrow.png
	modified:   images/unchecked.png
	modified:   images/unknown.png
	modified:   images/uparrow.png
	modified:   themeinfo.xml