refactor git_getpass into generic prompt function

diff --git a/RelNotes b/RelNotes
index 8fbe7db0e2a61ae4952f611b02d5a61bbcaf2b77..7d9276973af3a8f455778d2ce3ced66167f46801 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.4.7.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.8.txt
\ No newline at end of file