#260
KhronosGroup/glTF#68
Forgot a few files KhronosGroup/glTF#68
Fixed CMakeLists to add new files. Corrected incorrect copyright information.
Fixed a few Mac issues and changed path attribute to uri.
Fixed uninitialized value causing empty Data URIs on some systems.
Fixed uninitialized value causing some systems to think a stream is open when its not.
Merge pull request #280 from tfili/embed-resource

KhronosGroup/glTF#68
Merge pull request #281 from tfili/gltf-file-extension

KhronosGroup/glTF#260
Merge remote-tracking branch 'khronos-gltf/dev-7' into dev-7
KhronosGroup/glTF#23 - Respected Collada's unit element and scaling models accordingly.
Upgraded OpenCOLLADA to latest version.
Fixed an auto formatting error.
KhronosGroup/glTF#23 - Fixed scaling of matrices.
Fixed camera's zfar and znear properties that now respect the file's meter attribute.
Added distanceScale property to the GLTFAsset so we don't have to pass it around.
Small fix when exporting matrix.
Merged dev-7
Fixed scaling issue for meshes with multiple primitives.
Merge pull request #285 from tfili/scale-to-meters2

#23 - Scales gltf file to meters