Split complex task intu sub tasks

darcs-hash:20090112133114-58252-bd41c52f4e7d14fd28dad763e07b1988b401ed64
Added ability to specify PJSIP SVN repository on commandline and in config file to setup script

darcs-hash:20090112134658-58103-f53bbb86d38aa8f56a3c6d0d9f0d6ca65d4c4bea