[FIX] patched build system to support mingw64 and MSYS Makefiles generator
[FIX] added missing typeinfo include
Merge branch 'feature/stream-fixes' of https://github.com/weese/seqan into feature/fix-mingw64
[FIX] added missing defines for MinGW
Merge pull request #673 from weese/feature/fix-mingw64

[FIX] MinGW fixes