removing 'launcher' classes as they are not needed anymore
adding test for web service smrt taxize
adding service class that can un all 'smrt' subcommands. The name of the
subcommand is passed via the parameter 'command'
removing unused service classes
adapting service base classes such that supersmart commands can be run
as service. PIDs are now also serialized to file, together with the
other object properties. Updating the service status is simplified.
removing class and test for TNRS service, as it is now replaced by 'smrt
taxize'