remove old PRODS and web contents (which were the PHP libraries) and inserted README files that point to the GForge/git versions

git-svn-id: svn://irodssvn.ucsd.edu/trunk@5484 ea137bd6-aa86-47b6-b90d-b101d9f19a90
remove old PRODS and web contents (which were the PHP libraries) and inserted README files that point to the GForge/git versions

git-svn-id: svn://irodssvn.ucsd.edu/trunk@5485 ea137bd6-aa86-47b6-b90d-b101d9f19a90