* Multicast, Broadcast, and UDP provided transports can now be instantiated by external programs to allow for uniform attaching of custom transports and built-in transports, if needed. See Knowledge_Base::attach_transport for how to attach custom and built-in transports.
* Changed default poll_frequency to 100ms instead of 10ms in Wait_Settings.
* Updated to version 1.3.7

git-svn-id: http://madara.googlecode.com/svn/trunk@1159 2850746a-f1c8-11dd-b507-8b4ecd5210be