Converting output of some commands in JSON format

[iipeace]

1. JSON converting example

• printBgProcs() function
• checking SysMgr.jsonOutputEnable variable

2. target commands

• printDirs()
• printKmsg()
• runDbusSnooper('print')
• runDltReceiver('print')

3. verification Guider will print dir structures in JSON format if you will run 'guider printdir -J' command on shell.