add gmm and utils-java

.../gov/usgs/earthquake/nshmp/www/NshmpMicronautServlet.java

...main/java/gov/usgs/earthquake/nshmp/www/ResponseBody.java

.../java/gov/usgs/earthquake/nshmp/www/ResponseMetadata.java

...main/java/gov/usgs/earthquake/nshmp/www/SwaggerUtils.java

src/main/java/gov/usgs/earthquake/nshmp/www/WsUtils.java

src/main/java/gov/usgs/earthquake/nshmp/www/gmm/GmmCalc.java

...java/gov/usgs/earthquake/nshmp/www/gmm/GmmController.java

...in/java/gov/usgs/earthquake/nshmp/www/gmm/GmmService.java

...n/java/gov/usgs/earthquake/nshmp/www/gmm/ServiceUtil.java

src/main/java/gov/usgs/earthquake/nshmp/www/gmm/Utils.java

...n/java/gov/usgs/earthquake/nshmp/www/gmm/XyDataGroup.java

...ava/gov/usgs/earthquake/nshmp/www/meta/EnumParameter.java

src/main/java/gov/usgs/earthquake/nshmp/www/meta/Status.java

...a/gov/usgs/earthquake/nshmp/www/meta/StringParameter.java