Sync with 1.7.6.2

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --cc Documentation/git-receive-pack.txt
Simple merge

diff --cc Documentation/git.txt
Simple merge

diff --cc builtin/receive-pack.c
Simple merge

diff --cc remote-curl.c
Simple merge

diff --cc transport.c
Simple merge