Merge pull request #502 from CodeAndChoke/hashcode_equals

Added equals and hashcode

src/main/java/org/kohsuke/github/GHLabel.java

@@ -4,6 +4,7 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * @author Kohsuke Kawaguchi
@@ -53,4 +54,20 @@ public void setColor(String newColor) throws IOException {
         }
         return r;
     }
+
+    @Override
+    public boolean equals(final Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        final GHLabel ghLabel = (GHLabel) o;
+        return Objects.equals(url, ghLabel.url) &&
+                Objects.equals(name, ghLabel.name) &&
+                Objects.equals(color, ghLabel.color) &&
+                Objects.equals(repo, ghLabel.repo);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(url, name, color, repo);
+    }
 }