Update ReadMe.md

ReadMe.md

@@ -3,7 +3,11 @@ iri_autonomous_driving_tools                        {#mainpage}
 
 ## Description
 
-set of tools useful for autonomous driving
+Set of useful tools for autonomous driving of car-like robots. At the moment the tools included in this library are:
+
+* **gradient**: simple implementatio  of the [gradient descent algorithm](https://en.wikipedia.org/wiki/Gradient_descent).
+* **g2_spline**: implementation of the G2 splines (quintic splines).
+* **dijkstra**: simple implementation of the [Dijkstra algorithm](https://en.wikipedia.org/wiki/Dijkstra%27s_algorithm).
 
 ## Dependencies
 
@@ -12,13 +16,12 @@ This package requires of the following system libraries and packages
 * [cmake](https://www.cmake.org "CMake's Homepage"), a cross-platform build system.
 * [doxygen](http://www.doxygen.org "Doxygen's Homepage") and [graphviz](http://www.graphviz.org "Graphviz's Homepage") to generate the documentation.
 * stdc++ and pthread libraries.
+* [Eigen](http://eigen.tuxfamily.org/index.php?title=Main_Page "Eigen's Homepage"), a matrix handling library
 
 Under linux all of these utilities are available in ready-to-use packages.
 
 Under MacOS most of the packages are available via [fink](http://www.finkproject.org/ "Fink's Homepage")
 
-This package also requires of the following IRI libraries:
-
 ## Compilation and installation
 
 Download this repository and create a build folder inside: