Add mcp annotation for non-decomp builds (travis)

build.number

@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
-#Tue Jun 13 01:29:43 EDT 2017
+#Tue Jun 13 04:07:35 EDT 2017
-build.number=344
+build.number=345

src/api/java/mcp/MethodsReturnNonnullByDefault.java

@@ -0,0 +1,26 @@
+package mcp;
+
+import javax.annotation.Nonnull;
+import javax.annotation.meta.TypeQualifierDefault;
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * This annotation can be applied to a package, class or method to indicate that
+ * the method in that element are nonnull by default unless there is:
+ * <ul>
+ * <li>An explicit nullness annotation
+ * <li>The method overrides a method in a superclass (in which case the
+ * annotation of the corresponding method in the superclass applies)
+ * <li> there is a default parameter annotation applied to a more tightly nested
+ * element.
+ * </ul>
+ *
+ */
+@Documented
+@Nonnull
+@TypeQualifierDefault(ElementType.METHOD) // Note: This is a copy of javax.annotation.ParametersAreNonnullByDefault with target changed to METHOD
+@Retention(RetentionPolicy.RUNTIME)
+public @interface MethodsReturnNonnullByDefault {}