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: 764b04d0c6fbbea0ee05220aef3208173ff13049@9972 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac