Fix to #360 - Updated the general generator (Java/C#) to emit fully qualified names where the referenced object isn't directly in this namespace. Added test fbs files to verify compilation.

tests/namespace_test/NamespaceA/NamespaceB/EnumInNestedNS.cs

@@ -0,0 +1,14 @@
+// automatically generated, do not modify
+
+namespace NamespaceA.NamespaceB
+{
+
+public enum EnumInNestedNS : sbyte
+{
+ A = 0,
+ B = 1,
+ C = 2,
+};
+
+
+}