Added Intel architecture to Prerequisites

darcs-hash:20100208084340-58252-72d614c9af140c73295598271ad08a8bf538ef78
Fixed message progress notifications posted by ChatStream

Ignore-this: 2c1f4a226d255c88f8cf5e58432d5ce4

darcs-hash:20100209130317-1e3d8-9df017a72f2aacede91873f2714de4f873868010