all the mahjongg accomplishments crash on the nexus7 due to mahjongg not being installed

[Matt Fischer]

SInce mahjongg is not installed, all the mahjongg accomplishments scripts crash, bringing up about 10 annoying error dialogs, Here are all the crash reports:

-rw------- 1 ubuntu whoopsie 10119 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-bridges.py.1000.crash
-rw------- 1 ubuntu whoopsie 10151 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-cloud.py.1000.crash
-rw------- 1 ubuntu whoopsie 10140 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-confounding.py.1000.crash
-rw------- 1 ubuntu whoopsie 10046 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-difficult.py.1000.crash
-rw------- 1 ubuntu whoopsie 10198 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-dragon.py.1000.crash
-rw------- 1 ubuntu whoopsie 10230 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-easy.py.1000.crash
-rw------- 1 ubuntu whoopsie 10116 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-master.py.1000.crash
-rw------- 1 ubuntu whoopsie 10077 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-pyramid.py.1000.crash
-rw------- 1 ubuntu whoopsie 10129 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-tictactoe.py.1000.crash
-rw------- 1 ubuntu whoopsie 10124 Nov 16 03:25 _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-ziggurat.py.1000.crash
ubuntu@nexus7-265143b8:/var/crash$ vi _usr_share_accomplishments_scripts_ubuntu-desktop_gaming_mahjongg-ziggurat.py.1000.crash

One example (they're all the same):
Traceback:
 Traceback (most recent call last):
   File "/usr/share/accomplishments/scripts/ubuntu-desktop/gaming/mahjongg-ziggurat.py", line 4, in <module>
     fileSize = os.path.getsize(filePath)
   File "/usr/lib/python2.7/genericpath.py", line 49, in getsize
     return os.stat(filename).st_size
 OSError: [Errno 2] No such file or directory: '/var/games/mahjongg.ziggurat.scores'