reduced dependencies, cleanup of dmmodules.h
cleanup module.h, removed parameter_type
formating of dmmodule.h improved
moved variables to private
changed access of module: streamViews, accessedViews, setStatus(ModuleStatus status)
improved doku
removed udpateParameter
reimplemented fileextension filter for loading modules
fixed python disabled compiling
added several const flags to module methods
outsourced moduleobserver