nnesse/minwin-gcc-5-2: A patched gcc 5.2 enabling a new 'minwin' target that does not link to the Microsoft C library.

Niels Nesse eb72d50f44 Import gcc 5.2.0 from tarball		9 lat temu
..
Attributes2.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
Attributes2Impl.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
DeclHandler.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
DefaultHandler2.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
EntityResolver2.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
LexicalHandler.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
Locator2.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu
Locator2Impl.h	eb72d50f44 Import gcc 5.2.0 from tarball	9 lat temu