Updated README to accommodate changes from MFP* prefix to BMS* prefix
Updated README to accommodate changes from MFP* prefix to BMS* prefix

ibm-bluemix-mobile-services/bms-clientsdk-cordova-plugin-core,ibm-bluemix-mobile-services/bms-clientsdk-cordova-plugin-core,ibm-bluemix-mobile-services/bms-clientsdk-cordova-plugin-core