Updated highlightjs to v9.0.9

Author: Kingtak Wong

contributors/kingtak-w.md

@@ -0,0 +1,9 @@
+2017-01-07
+
+I hereby agree to the terms of the "Markdown Here Individual Contributor License Agreement", with MD5 checksum C6EA734E7368D52F68589229EF23086C.
+
+I furthermore declare that I am authorized and able to make this agreement and sign this declaration.
+
+Signed,
+
+Kingtak Wong https://github.com/daemedeor