Issue 262: added support for branch protection API

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

@@ -0,0 +1,18 @@
+package org.kohsuke.github;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Kohsuke Kawaguchi
+ * @see GHBranch#disableProtection()
+ */
+class BranchProtection {
+    boolean enabled;
+    RequiredStatusChecks requiredStatusChecks;
+
+    static class RequiredStatusChecks {
+        EnforcementLevel enforcement_level;
+        List<String> contexts = new ArrayList<String>();
+    }
+}