* python/libstdcxx/v6/printers.py (TemplateTypePrinter): Add type
	printer for class templates.
	(register_type_printers): Use TemplateTypePrinter for containers
	and other class templates with default template arguments.
	* testsuite/libstdc++-prettyprinters/whatis.cc: Test new recognizers.

From-SVN: r212555