Merge branch 'master.msvc.support' of git://github.com/AlexeiSheplyakov/GiNaC

Merge branch 'master.msvc.support' of git://github.com/AlexeiSheplyakov/GiNaC

* 'master.msvc.support' of git://github.com/AlexeiSheplyakov/GiNaC:
  Omit extra qualification (as in struct foo f() vs foo f()).
  [msvc] msvc cannot handle string constants above 16k
  [msvc] Yet another compiler bug work around.
  [msvc] Work around strange scoping and name mangling rules.
  Add few defines for msvc (__func__, __alignof__).
  symmetry::compare_same_type(): const-correctness fix
  clifford: fix a few GCCisms (or, not).