Update contributors document

Author: orbingol

CONTRIBUTORS.rst

@@ -1,16 +1,8 @@
-The author (`@orbingol <https://github.com/orbingol>`_) would like to thank the following contributors for their help
-and support in testing, bug fixing and improvement of the NURBS-Python (geomdl) project.
+The author (`@orbingol <https://github.com/orbingol>`_) would like to thank all the contributors for their help
+and support in testing, bug fixing and improvement of the NURBS-Python (geomdl) project and its sub-projects.
 
-* Luke Frisken (`@kellpossible <https://github.com/kellpossible>`_)
-* John-Eric Dufour (`@jedufour <https://github.com/jedufour>`_)
-* Jan Heczko (`@heczis <https://github.com/heczis>`_)
-* Pavel Vlasanek (`@tucna <https://github.com/tucna>`_)
-* Xuefeng Zhao
-* Hugo Rambure (`@Nodli <https://github.com/Nodli>`_)
-* Chris Arthurs (`@carthurs <https://github.com/carthurs>`_)
-* Chris Horler (`@cshorler <https://github.com/cshorler>`_)
-
-The author (`@orbingol <https://github.com/orbingol>`_) also acknowledges the following professors:
+The author (`@orbingol <https://github.com/orbingol>`_) also acknowledges the following professors from
+`Iowa State University Department of Mechanical Engineering <https://www.me.iastate.edu/>`_
 
 * `Dr. Adarsh Krishnamurthy <https://web.me.iastate.edu/idealab>`_
 * `Dr. Ming-Chen Hsu <https://web.me.iastate.edu/jmchsu>`_