move date widget to match new layout

widgets/date_all.lua

@@ -15,7 +15,7 @@ local os = {
 
 -- Date: provides access to os.date with optional time formatting
 -- vicious.widgets.date
-local date = {}
+local date_all = {}
 
 
 -- {{{ Date widget type
@@ -24,4 +24,4 @@ local function worker(format, warg)
 end
 -- }}}
 
-return setmetatable(date, { __call = function(_, ...) return worker(...) end })
+return setmetatable(date_all, { __call = function(_, ...) return worker(...) end })