Commit the update-copyrights script.

(I'm tired of rewriting this by hand every January)

scripts/maint/updateCopyright.pl

+#!/usr/bin/perl -i -w -p
+
+$NEWYEAR=2015;
+
+s/Copyright(.*) (201[^5]), The Tor Project/Copyright$1 $2-${NEWYEAR}, The Tor Project/;
+
+s/Copyright(.*)-(20..), The Tor Project/Copyright$1-${NEWYEAR}, The Tor Project/;