[PATCH] git bugfixes and cleanups, mainly Debian things

Ignore generated files.
Signed-off-by: NTommi Virtanen <tv@debian.org>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

.gitignore

+git-apply
+git-build-rev-cache
+git-cat-file
+git-checkout-cache
+git-clone-pack
+git-commit-tree
+git-convert-cache
+git-daemon
+git-diff-cache
+git-diff-files
+git-diff-helper
+git-diff-stages
+git-diff-tree
+git-export
+git-fetch-pack
+git-fsck-cache
+git-get-tar-commit-id
+git-hash-object
+git-http-pull
+git-init-db
+git-local-pull
+git-ls-files
+git-ls-tree
+git-merge-base
+git-merge-cache
+git-mktag
+git-pack-objects
+git-patch-id
+git-peek-remote
+git-prune-packed
+git-read-tree
+git-receive-pack
+git-rev-list
+git-rev-parse
+git-rev-tree
+git-send-pack
+git-show-branch
+git-show-index
+git-show-rev-cache
+git-ssh-pull
+git-ssh-push
+git-stripspace
+git-tar-tree
+git-unpack-file
+git-unpack-objects
+git-update-cache
+git-update-server-info
+git-upload-pack
+git-var
+git-verify-pack
+git-write-tree

Documentation/.gitignore

+*.xml
+*.html
+*.1
+*.7
+howto-index.txt

debian/.gitignore

+git-core
+git-tk
+*.debhelper
+*.substvars
+build-stamp
+files

templates/.gitignore

+blt

tools/.gitignore

+git-mailinfo
+git-mailsplit