Replication: extended the plugin with a RPC architecture for executing master...

Replication: extended the plugin with a RPC architecture for executing master restricted operations remotely. This feature is still in progress but will soon give access to all BabuDB functionality without loss of transparency for the user.

git-svn-id: https://babudb.googlecode.com/svn/trunk@375 d4c7dd96-b7b2-11dd-893d-d98698f66bbf