read json

src/main/java/gov/usgs/earthquake/nshmp/internal/AppVersion.java

 package gov.usgs.earthquake.nshmp.internal;
 
+import java.io.IOException;
+
 public interface AppVersion {
 
-  public VersionInfo getVersionInfo() throws IllegalArgumentException;
+  public VersionInfo getVersionInfo() throws IllegalArgumentException, IOException;
 
   public static class VersionInfo {
     public String branchName;

src/main/java/gov/usgs/earthquake/nshmp/internal/LibVersion.java

 package gov.usgs.earthquake.nshmp.internal;
 
+import java.io.IOException;
+import com.google.common.base.Charsets;
 import com.google.common.io.Resources;
 import com.google.gson.Gson;
 
 public class LibVersion implements AppVersion {
 
-  public VersionInfo getVersionInfo() throws IllegalArgumentException {
+  public VersionInfo getVersionInfo() throws IllegalArgumentException, IOException {
     var resource = Resources.getResource("version.json");
-    return new Gson().fromJson(resource.toString(), VersionInfo.class);
+    return new Gson().fromJson(
+      Resources.toString(resource, Charsets.UTF_8),
+      VersionInfo.class);
   }
 }