Updated the summary for the 4.1.0 release
Updated the summary for the 4.1.0 release

The release notes are online now at
https://pegasus.isi.edu/node/105



pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus