Adding 'registry-keystore.jks' (Fixing CARBON-14500 and IDENTITY-620) for carbon config

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@187085 a5903396-d722-0410-b921-86c7d4935375
adding registry-keystore for encrypt and decrypt 

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@187086 a5903396-d722-0410-b921-86c7d4935375