Update README.md

Author: ssepulveda

README.md

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-RTGraph
-=======
+#RTGraph
+
+A simple and lightweight Python application for plotting data from a serial port, ouputed as CSV.
+The application uses mutliprocessing to allow better performance using different process for each task.
+
+
+##Dependecys
+- Python (2.7.x)
+- PyQt4
+- PySerial
+- [PyQtGraph](http://www.pyqtgraph.org/)
+
+##Usage
+The project is distributed under MIT License. A DOI is attached to the project for citations.
+[![DOI](https://zenodo.org/badge/doi/10.5281/zenodo.12789.svg)](http://dx.doi.org/10.5281/zenodo.12789)