* Move table functions out of awful.util into new gears.table
* travis: Use v9999 prefix for full requests
Make sure no newly deprecated functions are used
* Move all `awful.util.table.*` calls to `gears.table.*` calls
Move table test functions from awful/util_spec to new gears/table_spec
Change awful.util.subsets call to gears.math.subsets in awful/key.lua
It does not provide much value. The version number is already known to
ldoc globally in the "description" variable.
Signed-off-by: Uli Schlachter <psychon@znc.in>
This layout display the widgets on top of each other. It can also optionally
display only the first one.
The most common use case is to create a composited widget. Other use case
include the creation of a "paged" stack to only display the most
relevant widget without adding extra complexity to the parent layout.