Added OpenImageIO to Image Processing

Author: betajippity

README.md

@@ -280,6 +280,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 * [Magick++](http://www.imagemagick.org/script/api.php) - ImageMagick program interfaces for C++. [Apache2]
 * [MagickWnd](http://www.imagemagick.org/script/api.php) - ImageMagick program interfaces for C. [Apache2]
 * [OpenCV](http://opencv.org/) :zap: - Open source computer vision. [BSD]
+* [OpenImageIO](https://github.com/OpenImageIO/oiio) - Powerful image and texture wrangling library with support for a wide number of common lossy and RAW formats. [Modified BSD]
 * [tesseract-ocr](https://code.google.com/p/tesseract-ocr/) - An OCR engine. [Apache2]
 * [Video++](https://github.com/matt-42/vpp) - A C++14 high performance video and image processing library. [MIT]
 * [VIGRA](https://github.com/ukoethe/vigra) - A generic C++ computer vision library for image analysis. [MIT X11]