Add web based python shell to Melange. It is accessible via http://host/admin/shell url and requires developer rights. Shell project is part of google-app-engine-samples. This commit moves django configuration from main.py to separate gae_django.py module. Shell project has been modified in order to work correctly with django 1.0+. Build script has been updated and includes shell folder and gae_django.py file. http://code.google.com/p/google-app-engine-samples/source/browse/trunk/shell/

input.radio {border:1px none #000; background:transparent; vertical-align:middle;}
.panel_wrapper div.current {height:80px;}
#width {width:50px; vertical-align:middle;}
#width2 {width:50px; vertical-align:middle;}
#size {width:100px;}