Fixed maven infrastructure to use the existing set of repositories in te parent project to generate the new poms  on the fly wihch makes sure the defined repos are propagated to the next level which effetively fix TOOLS-1673

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@173925 a5903396-d722-0410-b921-86c7d4935375