Fix for STORE-1390 : update the default message to appear when user has not given a message text for the key
Fix for STORE-1390 : update the default message to appear when user has not given a message text for the key

wso2/carbon-store,prasa7/carbon-store,cnapagoda/carbon-store,splinter/carbon-store,jeradrutnam/carbon-store,thushara35/carbon-store,daneshk/carbon-store,thushara35/carbon-store,jeradrutnam/carbon-store,madawas/carbon-store,jeradrutnam/carbon-store,cnapagoda/carbon-store,daneshk/carbon-store,madawas/carbon-store,splinter/carbon-store,daneshk/carbon-store,cnapagoda/carbon-store,madawas/carbon-store,splinter/carbon-store,prasa7/carbon-store,wso2/carbon-store,thushara35/carbon-store,prasa7/carbon-store,wso2/carbon-store