0.12.1dev: Fixed the dynamic expansion of directories in the repository browser on IE7.
0.12.1dev: Fixed the dynamic expansion of directories in the repository browser on IE7.

The issue was due to IE7 throwing a parse error when an object litteral `{}` has a trailing comma, and therefore not executing `expand_dir.js`.


git-svn-id: 30ec3c1a2098df185a8733d0352d646269562639@9972 af82e41b-90c4-0310-8c96-b1721e28e2e2

exocad/exotrac,dafrito/trac-mirror,dafrito/trac-mirror,moreati/trac-gitsvn,exocad/exotrac,moreati/trac-gitsvn,dafrito/trac-mirror,exocad/exotrac,moreati/trac-gitsvn,exocad/exotrac,dafrito/trac-mirror,moreati/trac-gitsvn