Merge pull request #278 from anhelina/patch-1

Add Mendeley to Education section

README.md

@@ -385,6 +385,7 @@
 - ![Nonfree][Money icon] [MAPLE](http://www.maplesoft.com/products/maple/) - Maple is math software that combines the world's most powerful math engine with an interface that makes it extremely easy to analyze, explore, visualize, and solve mathematical problems. 
 - ![Nonfree][Money icon] [MATLAB](http://www.mathworks.com/products/matlab/?requestedDomain=www.mathworks.com) - The MATLAB platform is optimized for solving engineering and scientific problems. MATLAB helps you take your ideas beyond the desktop. You can run your analyses on larger data sets and scale up to clusters and clouds.![Nonfree][Money icon]
 - [![Open-Source Software][OSS Icon]](http://maxima.sourceforge.net/project.html) [Maxima](http://maxima.sourceforge.net/) - Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, and much more.
+- [Mendeley](https://www.mendeley.com/) - Mendeley is a program for managing and sharing research papers, finding research data and collaborating online. 
 - [![Open-Source Software][OSS Icon]](https://github.com/moodle/moodle) [Moodle](https://download.moodle.org/) - Course management system for online learning. 
 - [![Open-Source Software][OSS Icon]](https://sourceforge.net/projects/openeuclide/) [OpenEuclid](http://coulon.publi.free.fr/openeuclide/) - OpenEuclide is a 2D geometry software: figures are defined dynamically by describing formal geometrical constraints. 
 - [![Open-Source Software][OSS Icon]](http://opensis.sourceforge.net/) [OpenSIS](http://www.opensis.com/home) - School Management Software that Increases Student Achievements & Teacher Performances.