Reorganization TP part 5

git-svn-id: https://svn.apache.org/repos/asf/flex/site/trunk@1577736 13f79535-47bb-0310-9956-ffa450edef68
- Added links in the main text
- Changed text in the description
- Removed -> ® from "Contribute to Apache Flex" 

git-svn-id: https://svn.apache.org/repos/asf/flex/site/trunk@1577748 13f79535-47bb-0310-9956-ffa450edef68