add JBDS IS 7.0.1.GA to the website; mark 7.0.0 as archived; update blog URL for JBT 4.1.2 and link to JBT IS 4.1.4; mark IS blog links as broken until @pleacu can fix them
fix release date of 7.0.1.GA (copy-paste error, oops)
proper blog link
remove updatesite from archived