Add "opts" parameter to span definition in pri_spans (removing suggest-channel parameter)
    Possible options are:

    suggest_channel - No idea what this one actually does...
    disable_tones   - Disable tone generating thread in NT (net) mode
    omit_display    - Disable sending caller name in call setup message (Display IE)



git-svn-id: http://svn.openzap.org/svn/openzap/trunk@702 a93c3328-9c30-0410-af19-c9cd2b2d52af