Merge branch 'interfaces' into interfaces2

* interfaces:
  Remove unnecessary interfaces for concrete classes
  cosmetic code formatting changes
  Correct interface name attributes that are internal
  interface macro changes to support templates
  Test non-virtual method in Derived classes
  interface tests for a most derived class inheriting the interfaces further up the chain
  Rename GetCPtr/getCPtr to SWIGInterfaceUpcast
  interface feature support for const ref pointers (used by the STL)
  Interface feature support for arrays
  More interface feature testing for return values
  interface feature support for passing by value
  interface feature support for references
  Multiple inheritance parameters as pointers testing
  Simplify multiple_inheritance_abstract Java runtime test
  Warning fixes
  Rename test functions in multiple_inheritance_abstract testcase
  Formatting fixes in generated code for interface feature
  Cosmetic spacing changes in test case
  interface feature typemap corrections to handle NULL pointers
  interface test added
  javadirectorin fix
  interface implementation visibility
  interface inheritance (2)
  interface inheritance (1)
  feature:interface ported to Java
  propagate non-abstract "interface" base methods (3)
  propagate non-abstract "interface" base methods (2)
  propagate non-abstract "interface" base methods (1)
  namespace support added GetCPtr now returns HandleRef "feature:interface:name" is now mandatory attribute
  interfaces (1)
  interfaces (1)

Conflicts:
	Source/Modules/csharp.cxx
	Source/Modules/java.cxx

Examples/test-suite/java/Makefile.in

@@ -38,7 +38,8 @@ CPP_TEST_CASES = \
 	java_prepost \
 	java_throws \
 	java_typemaps_proxy \
-	java_typemaps_typewrapper
+	java_typemaps_typewrapper \
+  multiple_inheritance_abstract
 #	li_boost_intrusive_ptr
 
 CPP11_TEST_CASES = \