Fix some inefficiencies in the code that processes and stores node ip addresses. It used to be that an insert was an N^N algorithm, now it is a log(N) algorithm as it should be with an AVL tree. Internally, this dropped our start up time on 4000 nodes (multimom nodes) from > 45 minutes to ~5 minutes.
Merge branch '4.2-dev' of https://github.com/adaptivecomputing/torque into 4.2-dev