Add MPL2 snippet

snippets/_.snippets

@@ -257,3 +257,12 @@ snippet WTFPL
 	TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
 	 0. You just DO WHAT THE FUCK YOU WANT TO.
+snippet MPL2
+	${2:one line to give the program's name and a brief description}
+	Copyright `strftime("%Y")` ${3:`g:snips_author`}
+
+	This Source Code Form is subject to the terms of the Mozilla Public
+	License, v. 2.0. If a copy of the MPL was not distributed with this
+	file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+	${0}