There is no need to store the master address list out of the node manager, any master found in configuration is loaded in the node manager and can be retreived by it if needed.
Remove redundant intialization code in test module, master nodes are created at app initialization.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1484 71dcc9de-d417-0410-9af5-da40c76e7ee4