Updates the error/info messages in node config panel for missing json & syntax error in widgets json
Updates the error/info messages in node config panel for missing json & syntax error in widgets json

caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap,caskdata/cdap