Log Message:
Fixes since v1.7.12.1
---------------------
 * When "git am" is fed an input that has multiple "Content-type: \ 
..."
   header, it did not grok charset= attribute correctly.

 * Even during a conflicted merge, "git blame $path" always meant to
   blame uncommitted changes to the "working tree" version; make it
   more useful by showing cleanly merged parts as coming from the other
   branch that is being merged.

 * "git blame MAKEFILE" run in a history that has "Makefile" \ 
but not
   "MAKEFILE" should say "No such file MAKEFILE in HEAD", but got
   confused on a case insensitive filesystem and failed to do so.

 * "git fetch --all", when passed "--no-tags", did not honor the
   "--no-tags" option while fetching from individual remotes (the same
   issue existed with "--tags", but combination "--all \ 
--tags" makes
   much less sense than "--all --no-tags").

 * "git log/diff/format-patch --stat" showed the "N line(s) \ 
added"
   comment in user's locale and caused careless submitters to send
   patches with such a line in them to projects whose project language
   is not their language, mildly irritating others. Localization to
   the line has been disabled for now.

 * "git log --all-match --grep=A --grep=B" ought to show commits that
   mention both A and B, but when these three options are used with
   --author or --committer, it showed commits that mention either A or
   B (or both) instead.

 * The subcommand to remove the definition of a remote in "git remote"
   was named "rm" even though all other subcommands were spelled out.
   Introduce "git remote remove" to remove confusion, and keep \ 
"rm" as
   a backward compatible synonym.

Also contains a handful of documentation updates.