Added changelog information for release 0.5.0.
Added changelog information for release 0.5.0.

git-svn-id: 5ac5ceac5088c1c1d63e746a2b1a419ea0b6b161@1217 b63d296a-7662-4df4-3098-00f9c2c9103a

tavlima/fosstrak-hal