Missing function for IsStructurallyEquivalent for TemplateName

[CristinaCristescu]

Causes infinite recursion when importing tempated classes.

[CristinaCristescu]

At least it removes teh infinite recursion. Even if it does not complete vector.
We need to add unsupported type import:
In file included from /usr/include/c++/4.9/bits/allocator.h:46:
/usr/include/x86_64-linux-gnu/c++/4.9/bits/c++allocator.h:48:5: error: cannot import unsupported AST node TypeAliasTemplate
using __allocator_base = __gnu_cxx::new_allocator<_Tp>;
^
/usr/include/x86_64-linux-gnu/c++/4.9/bits/c++allocator.h:48:5: error: cannot import unsupported AST node TypeAliasTemplate
vfile for input_line_1:2:2: error: use of undeclared identifier 'm'