version update

move the prop_builder instantiation out of the c'tor, it is used only…

… once

and it needs to take a possible config_uri in account. This squashes the
long standing bug that "-z" does not work on a totally empty and never used
slot.

version 3.4.1

add slot-info command to display the slot information for an agent

version 3.2.3

allows multiple properties on one line and ignore comment lines in th…

…e jvm.properties file