ADD roadmap for symfony.

Signed-off-by: Richard Lea <chigix@zoho.com>
ADD taskCleanDir for releaseDirs from roadmap.
REMOVE old scan for twig files with the new roadmap.

Signed-off-by: Richard Lea <chigix@zoho.com>
REMOVE getReleaseRootPath, getReleaseRootUrl
ADD getRoadMap

Signed-off-by: Richard Lea <chigix@zoho.com>