project search: added more emphasis about where a search takes place and how to search elsewhere.
project search: added more emphasis about where a search takes place and how to search elsewhere.

tscholl2/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc