Update draft release notes to 1.7.1

Signed-off-by: Junio C Hamano <[email protected]>

Author: gitster

Documentation/RelNotes-1.7.1.txt

@@ -4,6 +4,9 @@ Git v1.7.1 Release Notes
 Updates since v1.7.0
 --------------------
 
+ * "git grep" learned "--no-index" option, to search inside contents that
+   are not managed by git.
+
 Fixes since v1.7.0
 ------------------
 
@@ -13,5 +16,5 @@ release, unless otherwise noted.
 ---
 exec >/var/tmp/1
 echo O=$(git describe)
-O=v1.7.0
+O=v1.7.0-36-gfaa3b47
 git shortlog --no-merges ^maint $O..