system: Add a method to dbcon that informs over readonly   connection.
system: Add a method to dbcon that informs over readonly
  connection.

M2Mobi/lunr,tardypad/lunr,M2Mobi/lunr,tardypad/lunr,M2Mobi/lunr,pprkut/lunr,tardypad/lunr,pprkut/lunr,pprkut/lunr