Added information about HBP funding

[skip ci]

Author: Andrew Davison

doc/contributors.txt

@@ -1,6 +1,6 @@
-========================
-Contributors and licence
-========================
+=================================
+Contributors, licence and funding
+=================================
 
 .. include:: ../AUTHORS
 
@@ -17,6 +17,16 @@ software in computational neuroscience, such as NEURON (GPL) and Brian (CeCILL).
 
 If you are interested in using PyNN, but the choice of licence is a problem for you, please contact us to discuss dual-licensing.
 
+
 .. centered:: LICENSE AGREEMENT
 
 .. include:: ../LICENSE
+
+
+Funding
+=======
+
+Development of PyNN has been partially funded by the European Union Seventh Framework Program (FP7/2007­2013)
+under grant agreement no. 604102 (HBP), and by the European Union’s Horizon 2020 Framework Programme for
+Research and Innovation under the Specific Grant Agreements No. 720270 (Human Brain Project SGA1)
+and No. 785907 (Human Brain Project SGA2).