Merge branch 'maint' into tj/imap-send-remove-unused

* maint: (18123 commits) documentation fix: git difftool uses diff tools, not merge tools. Git 1.7.7.4 Makefile: add missing header file dependencies notes merge: eliminate OUTPUT macro mailmap: xcalloc mailmap_info name-rev --all: do not even attempt to describe non-commit object Git 1.7.7.3 docs: Update install-doc-quick docs: don't mention --quiet or --exit-code in git-log(1) Git 1.7.7.2 t7511: avoid use of reserved filename on Windows. clone: Quote user supplied path in a single quote pair read-cache.c: fix index memory allocation make the sample pre-commit hook script reject names with newlines, too Reindent closing bracket using tab instead of spaces Git 1.7.7.1 RelNotes/1.7.7.1: setgid bit patch is about fixing "git init" via Makefile setting gitweb: fix regression when filtering out forks Almost ready for 1.7.7.1 pack-objects: don't traverse objects unnecessarily ... Conflicts: imap-send.c