[Pharo-project] Tools-AlexandreBergel.83 adds a dependency to OmniBrowser

There is a reference to OB specific classes in Tools-AlexandreBergel.83. OB must not be part of pharo in my opinion. -- Damien Cassou Peter von der Ahé: «I'm beginning to see why Gilad wished us good luck». (http://blogs.sun.com/ahe/entry/override_snafu)