lcov-1.7 into third_party for code coverage on POSIX systems....

third_party/lcov/LICENSE

Index: third_party/lcov/LICENSE
===================================================================
--- third_party/lcov/LICENSE	(revision 0)
+++ third_party/lcov/LICENSE	(revision 0)
@@ -0,0 +1,18 @@
+License copied from bin/lcov:
+
+#
+#   Copyright (c) International Business Machines  Corp., 2002,2007
+#
+#   This program is free software;  you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or (at
+#   your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY;  without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#   General Public License for more details.                 
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program;  if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA