Merge branch 'interfaces'

* interfaces:
  Documentation and CHANGES entry for interface feature
  interface macro argument name tweaks
  Change the name of the interface in %feature to be more portable
  Interface feature fix for typedef types
  Add limited support for %interface_impl and %shared_ptr
  Multiple inheritance warning wording tweak
  C# "override" fix for "extend" case
  Add checks for interface name symbol clashes
  interface feature test changes for the tests to pass for all languages
  Rename feature_interface.i to swiginterface.i
  Re-organization of the interface feature common code
  Port Java interface tests to C#
  Test %interface
  Test %interface_impl
  Use rstrip instead of regex encoder in %feature_rename
  Add rstrip encoder for use in %rename.
  Interface macros: %interface %interface_impl %interface_custom
  Add $interfacename family of special variable expansions
  Add multiple_inheritance_nspace testcase
  Interface name handling improvements and special variable changes
  Correct regex example comment
  Properly hide unexposed naming functions in naming.c
  C++ namespace testing for interface feature
  interface feature - SWIG_JAVABODY_PROXY does not need to be overridden
  Support namespaces and nspace with the interface feature for C#
  Support namespaces and nspace with the interface feature for Java
  Cosmetic test case changes
  Add Java premature garbage collection prevention parameter (pgcpp) to interface feature
  Create javainterfacecode and csinterfacecode typemaps
  IntPtr & HandleRef absolute names used
  virtual/override fix
  Improve interface feature checks
  Add another interface test selecting just one base as an interface
  Comments added to interface feature implementation and cosmetic code changes
  Add overloading tests for interface feature
  Refactor multiple inheritance warnings
  director generation fixes
  interface feature updates for C# latest on master
  interfaces branch merge fixes
  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:
	CHANGES.current

Examples/test-suite/common.mk

@@ -282,6 +282,10 @@ CPP_TEST_CASES += \
 	minherit2 \
 	mixed_types \
 	multiple_inheritance \
+	multiple_inheritance_abstract \
+	multiple_inheritance_interfaces \
+	multiple_inheritance_nspace \
+	multiple_inheritance_shared_ptr \
 	name_cxx \
 	name_warnings \
 	namespace_class \
@@ -341,6 +345,7 @@ CPP_TEST_CASES += \
 	rename2 \
 	rename3 \
 	rename4 \
+	rename_rstrip_encoder \
 	rename_scope \
 	rename_simple \
 	rename_strip_encoder \