*************************************************************************************************************************************
3.33.19	 ca		:	Upload CA file and update.
	usage: java -jar GbtUtility-2.1.76.jar [options] rest ca <subcommand> <cafile(only for post)> <key file(only for post)>
	
	subcommand:
		get				:	Get CA information (file name must be ca.pem)
		post			: 	upload and update CA file & key file (fileN ame must be key.pem)
	
	Example:
	by Nodelist  : java -jar GbtUtility-2.1.76.jar rest ca get
	by single IP : java -jar GbtUtility-2.1.76.jar -H 10.1.27.79 rest ca post ca.pem key.pem
	by scan IP   : java -jar GbtUtility-2.1.76.jar -S rmcp,10.1.27.1,10.1.27.150 rest ca post ca.pem key.pem
***********************************************************************************************************