push: further clean up fields of "struct ref"

diff --git a/RelNotes b/RelNotes
index 6205f6cd4f83a45883ddc46824aeb050e5a59237..2484b38bbbae654684f65a874653487439f0df2f 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.11.7.txt
\ No newline at end of file
+Documentation/RelNotes/1.8.0.txt
\ No newline at end of file