Add note on 1.1.1-M1
Add note on 1.1.1-M1

xerial/snappy-java,asonipsl/snappy-java,asonipsl/snappy-java,xerial/snappy-java,xerial/snappy-java,linux-on-ibm-z/snappy-java,asonipsl/snappy-java,linux-on-ibm-z/snappy-java,linux-on-ibm-z/snappy-java,linux-on-ibm-z/snappy-java,asonipsl/snappy-java,xerial/snappy-java,linux-on-ibm-z/snappy-java,asonipsl/snappy-java