add blazeds repo to source page

git-svn-id: https://svn.apache.org/repos/asf/flex/site/trunk@1615042 13f79535-47bb-0310-9956-ffa450edef68
fix typo

git-svn-id: https://svn.apache.org/repos/asf/flex/site/trunk@1615043 13f79535-47bb-0310-9956-ffa450edef68