GIT 0.99.7c

Contains the following post-0.99.7b fixes:

 - rsh.c string termination fix by H. Peter Anvin
 - further fetch fixes by Sergey Vlasov
 - diff-tree documentation by Robert Watson.
 - 'git diff --cached' synonymous to 'git diff --cached HEAD'.
 - subprocess.py licensing status clarification.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1. c818566 [PATCH] Update tags to record who made them by Eric W. Biederman · 20 years ago
2. b97e3df git-mktag: be more careful in reading the input. by Linus Torvalds · 20 years ago
3. 91d7b8a [PATCH] delta read by Nicolas Pitre · 20 years ago
4. a3df180 Rename git core commands to be "git-xxxx" to avoid name clashes. by Linus Torvalds · 20 years ago[Renamed from git-mktag.c]
5. 40469ee [PATCH] Rename and extend read_tree_with_tree_or_commit_sha1 by Junio C Hamano · 20 years ago
6. ec4465a Add "tag" objects that can be used to sign other objects. by Linus Torvalds · 20 years ago