Add native DLL loader
Add native DLL loader

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