*.csproj fixes for building on windows
*.csproj fixes for building on windows

Updated hintpaths to point to bin/ instead of winbin/. Removed all
MonoPosixHelper references. Added necessary <DefineConstants> and
<AllowUnsafeBlocks> instructions to be able to build in MonoDevelop.

Signed-off-by: Bertrand Lorentz <eb7ac131ef7bff6d2ebccd6e5bf9a7cb6485cf2c@gmail.com>

dufoli/hyena,GNOME/hyena,arfbtwn/hyena,petejohanson/hyena,petejohanson/hyena,arfbtwn/hyena,GNOME/hyena,dufoli/hyena