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. 215a7ad Big tool rename. by Junio C Hamano · 20 years ago[Renamed from git-log-script]
2. 6e7722e Fix git-log-script when HEAD is invalid. by Junio C Hamano · 20 years ago
3. ff84d32 Audit rev-parse users again. by Junio C Hamano · 20 years ago
4. 90e1848 Make "git-rev-list" work within subdirectories by Linus Torvalds · 20 years ago
5. b134922 git-log: make sure we have some commit to start from. by Linus Torvalds · 20 years ago
6. 4bc5fbf Make "git log" exit properly if not in a git archive by Linus Torvalds · 20 years ago
7. f04b056 Make "git log" use the new git-rev-parse helper by Linus Torvalds · 20 years ago
8. e764b8e Add "git" and "git-log-script" helper scripts. by Linus Torvalds · 20 years ago