server-tools/instance-manager/commands.cc:
  remove commented out code
server-tools/instance-manager/instance.cc:
  use flag instead of int variable
server-tools/instance-manager/instance.h:
  no more default values
server-tools/instance-manager/instance_map.cc:
  use flag to be more verbose
server-tools/instance-manager/instance_options.cc:
  don't read options when looking for an option, use strmake instead of strchr
server-tools/instance-manager/instance_options.h:
  fix comment, use flag instead of int value
server-tools/instance-manager/listener.cc:
  don't like c++ comments
server-tools/instance-manager/log.cc:
  safety: strmake adds trailing zero to the string
server-tools/instance-manager/parse_output.cc:
  use strmake instead of strncpy, renamed varianles to make code more readable
server-tools/instance-manager/parse_output.h:
  get rid of default value