update travis to use mercurial version of pygame with pip.

.travis.yml

@@ -6,10 +6,10 @@ python:
 before_install:
   - sudo apt-get update
   - sudo apt-get install python-dev libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libsdl1.2-dev libsmpeg-dev python-numpy libportmidi-dev ffmpeg libswscale-dev libavformat-dev libavcodec-dev libjpeg-dev libtiff4-dev libx11-6 libX11-dev
-  - sudo apt-get install python-setuptools python-opengl gstreamer0.10-plugins-good build-essential libgl1-mesa-dev libgles2-mesa-dev
+  - sudo apt-get install python-setuptools python-opengl gstreamer0.10-plugins-good build-essential libgl1-mesa-dev libgles2-mesa-dev mercurial
 
 install:
-  - pip install pygame
+  - pip install hg+http://bitbucket.org/pygame/pygame
   - pip install --upgrade cython pil --use-mirrors
   - make