code: public static Kernel startJanus(Class<? extends Agent> agentCls, Object... params)
  			throws Exception {
  		return startJanusWithModuleType(null, agentCls, params);
  	}
docs: Launch the Janus kernel and the first agent in the kernel.
  
  <p>Thus function does not parse the command line. See {@link #main(String[])} for the command line management. When this
  function is called, it is assumed that all the system's properties are correctly set.
  
  <p>The platformModule parameter permits to specify the injection module to use. The injection module is in change of
  creating/injecting all the components of the platform. The default injection module is retreived from the system property
  with the name stored in {@link JanusConfig#INJECTION_MODULE_NAME}. The default type for the injection module is stored in
  the constant {@link JanusConfig#INJECTION_MODULE_NAME_VALUE}.
  
  <p>The function {@link #getBootAgentIdentifier()} permits to retreive the identifier of the launched agent.
  
  @param agentCls type of the first agent to launch.
  @param params parameters to pass to the agent as its initliazation parameters.
  @return the kernel that was launched.
  @throws Exception - if it is impossible to start the platform.
  @see #main(String[])
  @see #getBootAgentIdentifier()