- Based on the macro provide partial specializations for std::hash<>
- for vertex,halfede,edge, and face handles.
- Add a free function hash_value(BaseHandle) for boost::unordered_set/map

Mingw changes

TODO: Test 

See merge request !68

(cherry picked from commit ec84b475)

(cherry picked from commit a564a30c)

Handle nr newlines



See merge request !71

Throw error when no readers are available



See merge request !69

Convert 2 unix



See merge request !70

fixes MSVC Community 2015 ICE

The default constructors are now used as template specializations by
postponing them below the template definition

See merge request !67

The default constructors are now used as template specializations by
postponing them below the template definition

move documentation of PropertyManager factory functions to PropertyManager Doxygen page



See merge request !65

Fixed binary reader errors in ply reader. (Thanks to Michael Kremer for the patch).

@michaelkraemer: Thanks for the patch. If all builds run fine, it will be integrated into the next release.

See merge request !64

Mac os installer



See merge request !63