Creating a widget already sets a metatable (at least these days).
However, wibox.container.scroll overwrote this metatable with its own
metatable. This commit removes this overwrite.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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>
local functions and metatable based constructors are not
documented unless an explicit @function is added.
Also add missing return values and fix formatting.