* make BDADDR_* macros refer to value types instead of addresses
* adjust all interfaces using bdaddr_t* to use (mostly const) refs instead,
which IMHO makes the interface & code clearer
* that got rid of a couple of const incorrectness casts
* some cleanup along the way
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38265 a95241bf-73f2-0310-859d-f6bbb57e9c96