* Modified rebroadcast operation with fragmentation to operate more like small messages. This has some ramifications on rebroadcast storms, but it should be more forgiving of lost packets
* Updated version to 1.6.7

git-svn-id: http://madara.googlecode.com/svn/trunk@1303 2850746a-f1c8-11dd-b507-8b4ecd5210be