made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/share/doc/git-doc/RelNotes/1.7.1.adoc

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+Git v1.7.1 Release Notes
+========================
+
+Updates since v1.7.0
+--------------------
+
+ * Eric Raymond is the maintainer of updated CIAbot scripts, in contrib/.
+
+ * gitk updates.
+
+ * Some commands (e.g. svn and http interfaces) that interactively ask
+   for a password can be told to use an external program given via
+   GIT_ASKPASS.
+
+ * Conflict markers that lead the common ancestor in diff3-style output
+   now have a label, which hopefully would help third-party tools that
+   expect one.
+
+ * Comes with an updated bash-completion script.
+
+ * "git am" learned "--keep-cr" option to handle inputs that are
+   a mixture of changes to files with and without CRLF line endings.
+
+ * "git cvsimport" learned -R option to leave revision mapping between
+   CVS revisions and resulting git commits.
+
+ * "git diff --submodule" notices and describes dirty submodules.
+
+ * "git for-each-ref" learned %(symref), %(symref:short) and %(flag)
+   tokens.
+
+ * "git hash-object --stdin-paths" can take "--no-filters" option now.
+
+ * "git init" can be told to look at init.templatedir configuration
+   variable (obviously that has to come from either /etc/gitconfig or
+   $HOME/.gitconfig).
+
+ * "git grep" learned "--no-index" option, to search inside contents that
+   are not managed by git.
+
+ * "git grep" learned --color=auto/always/never.
+
+ * "git grep" learned to paint filename and line-number in colors.
+
+ * "git log -p --first-parent -m" shows one-parent diff for merge
+   commits, instead of showing combined diff.
+
+ * "git merge-file" learned to use custom conflict marker size and also
+   to use the "union merge" behaviour.
+
+ * "git notes" command has been rewritten in C and learned many commands
+   and features to help you carry notes forward across rebases and amends.
+
+ * "git request-pull" identifies the commit the request is relative to in
+   a more readable way.
+
+ * "git reset" learned "--keep" option that lets you discard commits
+   near the tip while preserving your local changes in a way similar
+   to how "git checkout branch" does.
+
+ * "git status" notices and describes dirty submodules.
+
+ * "git svn" should work better when interacting with repositories
+   with CRLF line endings.
+
+ * "git imap-send" learned to support CRAM-MD5 authentication.
+
+ * "gitweb" installation procedure can use "minified" js/css files
+   better.
+
+ * Various documentation updates.
+
+Fixes since v1.7.0
+------------------
+
+All of the fixes in v1.7.0.X maintenance series are included in this
+release, unless otherwise noted.
+
+ * "git add frotz/nitfol" did not complain when the entire frotz/ directory
+   was ignored.
+
+ * "git diff --stat" used "int" to count the size of differences,
+   which could result in overflowing.
+
+ * "git rev-list --pretty=oneline" didn't terminate a record with LF for
+   commits without any message.
+
+ * "git rev-list --abbrev-commit" defaulted to 40-byte abbreviations, unlike
+   newer tools in the git toolset.