ODE-987. Rename the Channel interface for now. It may go away eventually, as exportChannel could be directly invoked by ProcUtil

git-svn-id: https://svn.apache.org/repos/asf/ode/trunk@1434015 13f79535-47bb-0310-9956-ffa450edef68
Add renamed Channel.java, missed in previous commit

git-svn-id: https://svn.apache.org/repos/asf/ode/trunk@1434016 13f79535-47bb-0310-9956-ffa450edef68