message: Removed mentioning of cv::Mat in README.md
diff: @@ -13,7 +13,7 @@ eos is a lightweight 3D Morphable Face Model fitting library that provides basic
  At the moment, it mainly provides the following functionality:
  -* MorphableModel class to represent a 3DMM (using OpenCVs `cv::Mat`)
  +* MorphableModel and PcaModel classes to represent 3DMMs, with basic operations like `draw_sample()`
  * Our low-resolution, shape-only 3D Morphable Face Model ([share/sfm_shape_3448.bin](https://github.com/patrikhuber/eos/blob/master/share/sfm_shape_3448.bin))
  * Fast, linear pose, shape and expression fitting, edge and contour fitting:
  * Linear scaled orthographic projection camera pose estimation
  