removed the random seeding and persistant stuff, as both are already in

To do for the 7.7 release:

 * Fix the random seeding. Add --egd-socket and --random-file options to the

   curl client and libcurl curl_easy_setopt() interface.

 * Support persistant connections (fully detailed elsewhere)

 * Add a special connection-timeout that only goes for the connection phase.

To do for the 7.8 release: