osx: Remember window position and start app as active
glw: Revive cursor
glw: Add layoutFixedWidth and layoutFixedHeight attributes
glw: Make debug attribute draw wirebox around any element
glw: Make list widgets handle alpha attribute
glw: Simplify prop assignments inside block
glw/image: Redraw texture if shadow attribute changes
glw: Add support for 'em' postfix to scalar values

1em = $ui.size
2em = $ui.size * 2
...
glw/image: Fix broken shadow fix
prop: Add helper to make link to selected iten in PROP_DIR

Use it on multiopt settings to be able to subscribe to currently selected value
prop: Fix compile when PROP_DEBUG is set
glw: Add propName() and propSelect()

propName() returns name of given prop

propSelect() issues a prop_select() on the given prop
glw/container: Improve debug output a bit
glw/navigation: Be a bit smarter when descending into focused childs

If nothing is focused we search using glw_{first,last}_widget which
skips over hidden widgets. Also make sure the orientation matches
when we consider jumping to the last widget.
glw: If weight < 0.1, never autofocus widget
glw: Make it possible to intercept events before they are passed to glw_navigate
glw/navigation: Add some commented out debug helpers
glw: Add focus() method that focus given id
glw: Add attribute noFocusBlocking
glw: Rearrange glw_t to save a few bytes