* 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
There was a race with autofocus. To overcome this, add another step that tests
that moving the client back to a visible tag and focusing it updates
_NET_CURRENT_DESKTOP. Afterwards, we kill the client so that it can no longer
interfere.
Signed-off-by: Uli Schlachter <psychon@znc.in>