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Readme.md

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-Open Asset Import Library (_assimp_) 
+Open Asset Import Library (assimp) 
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-(This repository is a mirror of the SVN repository located [here](https://assimp.svn.sourceforge.net/svnroot/assimp). Thanks to [klickverbot](https://github.com/klickverbot) for setting this up!)
+(This repository is a mirror of the SVN repository located [here](https://assimp.svn.sourceforge.net/svnroot/assimp). Thanks to [klickverbot](https://github.com/klickverbot) for setting this up!)