[dx2] Maze messes up the mouse pointer scheme

[m_anish]

Testcase:
* Open Maze
* Hover over the Maze area
* The normal sugar mouse turns to a normal gnome-themed mouse

Tested on Dextrose-2 Paraguay builds

[RafaelOrtiz]

As a pygame activity is using a normal x-pointer mouse, a sugarized mouse should be
constructed.

F.e castle has one!.

[RafaelOrtiz]

Maze has a strong dependence with pygame, it uses some precence stuff from sugar but not toolbars for example.

one option could be adding this sugarization in order to have a sugar cursor
other mimic cursor with a .png as physics does.

[RafaelOrtiz]

Fixed by v8 in ASLO.

[RafaelOrtiz]

In git  http://git.sugarlabs.org/maze/mainline/commit/1e4d6aae926c878578d8f00c1f431c198f7aa9ee