Fix #7, add grants notice

Based on the footers in https://seattle.poly.edu/html and https://seattle.poly.edu/wiki .

Author: aaaaalbert

Grants.md

@@ -0,0 +1,7 @@
+# Grants and Endowment
+
+This material is based upon work supported by the National Science Foundation 
+under Grant No.s (0834243, 1205415, and 1223588). Any opinions, findings, and 
+conclusions or recommendations expressed in this material are those of the 
+author(s) and do not necessarily reflect the views of GPO Technologies, Corp., 
+the GENI Project Office, or the National Science Foundation.