[release-branch.go1.8] go1.8rc1

Change-Id: I68a99a4d750357dd59eb48f7c05b4dc08c64c92d
Reviewed-on: https://go-review.googlesource.com/35097
Run-TryBot: Chris Broadfoot <cbro@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

VERSION

diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..674242a
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+go1.8rc1
\ No newline at end of file