shims: Add support the new .data property

Signed-off-by: Uli Schlachter <psychon@znc.in>

tests/examples/shims/awesome.lua

@@ -5,6 +5,7 @@ local gears_obj = require("gears.object")
 -- handlers.
 local function _shim_fake_class()
     local obj = gears_obj()
+    obj.data = {}
 
     local meta = {
         __index     = function()end,

tests/examples/shims/button.lua

@@ -1,3 +1,4 @@
 return function() return {
+    data = {},
     connect_signal = function() end
 } end

tests/examples/shims/client.lua

@@ -17,6 +17,7 @@ end
 -- Create fake clients to move around
 function client.gen_fake(args)
     local ret = gears_obj()
+    ret.data = {}
     ret.type = "normal"
     ret.valid = true
     ret.size_hints = {}

tests/examples/shims/drawin.lua

@@ -4,6 +4,7 @@ local drawin, meta = awesome._shim_fake_class()
 
 local function new_drawin(_, args)
     local ret = gears_obj()
+    ret.data = {}
 
     for k, v in pairs(args) do
         rawset(ret, k, v)

tests/examples/shims/screen.lua

@@ -6,6 +6,7 @@ screen.count = 1
 
 local function create_screen(args)
     local s = gears_obj()
+    s.data = {}
 
     -- Copy the geo in case the args are mutated
     local geo = {

tests/examples/shims/tag.lua

@@ -5,6 +5,7 @@ local tag, meta = awesome._shim_fake_class()
 local function new_tag(_, args)
     local ret = gears_obj()
 
+    ret.data = {}
     ret.name = args.name or "test"
     ret.activated = true
     ret.selected = true