Added better handling of sysimage device search
More refactoring, all parsing/manifest code was isolated into ClusterConfigParser class
Even more refactoring for configuration parsers/builders, now supports al the features again
Removed slot holder threads, at least for now
Added better error description to client disconnect errors between proxy and object servers
Fixed race conditions in parser, hopefully
NameService profiling added
Trying to ensure that incoming NameService UDP messages are copied before sending them back
Added early reject for threadpool full error
fix content_type mismatch for immediate responses, issue #9