GIT 0.99.8c

Contains the following fixes since 0.99.8b:

Jonas Fonseca:
      Fix usage of carets in git-rev-parse(1)

Junio C Hamano:
      Give proper prototype to gitstrcasestr.
      Make sure 'make install' does not have to rebuild templates.
      git-tag: update usage string and documentation.

Kai Ruemmler:
      s/checkout-cache/checkout-index/g for Documentation/git-ls-files.txt
      teach git-status about spaces in filenames
      ignore new git-diff index header when computing patch ids

Paolo 'Blaisorblade' Giarrusso:
      Fix git-verify-tag for light-weight tags

Robert Fitzsimons:
      Fix wrong filename listing bug in git-ls-tree.

1. 723c31f Add "git_path()" and "head_ref()" helper functions. by Linus Torvalds · 20 years ago
2. 944d858 Fix up "for_each_ref()" to be more usable, and use it in git-fsck-cache by Linus Torvalds · 20 years ago
3. 8a65ff7 Generalize the "show each ref" code in receice-pack by Linus Torvalds · 20 years ago
4. 95fc751 [PATCH] Operations on refs by Daniel Barkalow · 20 years ago