Work around for luadoc bugs

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

luadoc/button.lua

@@ -29,6 +29,7 @@ module("button")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of button objects alive.
 -- @name instances
 -- @class function

luadoc/client.lua

@@ -130,6 +130,7 @@ module("client")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of client objects alive.
 -- @name instances
 -- @class function

luadoc/image.lua

@@ -130,6 +130,7 @@ module("image")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of image objects alive.
 -- @name instances
 -- @class function

luadoc/key.lua

@@ -32,6 +32,7 @@ module("key")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of key objects alive.
 -- @name instances
 -- @class function

luadoc/tag.lua

@@ -35,6 +35,7 @@ module("tag")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of tag objects alive.
 -- @name instances
 -- @class function

luadoc/timer.lua

@@ -40,6 +40,7 @@ module("timer")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of timer objects alive.
 -- @name instances
 -- @class function

luadoc/wibox.lua

@@ -60,6 +60,7 @@ module("wibox")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of wibox objects alive.
 -- @name instances
 -- @class function

luadoc/widget.lua

@@ -68,6 +68,7 @@ module("widget")
 -- @class function
 
 --- Get the number of instances.
+-- @param no_params luadoc is buggy.
 -- @return The number of widget objects alive.
 -- @name instances
 -- @class function