VERSION: Initial version for weave-release-1.3

BUG=None
TEST=None

Change-Id: I76cdfec430a4a017197e4b160e2b91ba80edf98c
Reviewed-on: https://weave-review.googlesource.com/2800
Reviewed-by: Alex Vakulenko <avakulenko@google.com>

VERSION

diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..3a3cd8c
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.3.1