Tiled map version 1.0 support

Support for tmx format up to 1.0 as well as improved example for SFML rendering of orthogonal maps

v1.0.1: fix parsing image path of collection of images tileset tiles

Bugfix release, including fixing parsing tileset images plus community submitted updates to the cmake file to make the project easier to include in bigger projects.

Initial release

v1.0.0

add 64bit build config to visual studio project