Fixes problems with paths containing quotes (sic)

The Windows shell doesn't seem to support single quotes…

Contributed by Dies Koper, Luke Carrier

We programmers have a nice new years tradition: We revisit all of our
projects and add 1 to a small number near a "(c)".

-- Volker Dusch
https://twitter.com/__edorian/status/153801913442373633

* Won't output errors when the ChiliProject git repo isn't there anymore,
* Works even if not invoked from the ChiliProject root directory,
* Moved the formatting logic to the git call.

* Third version is called Patch
* Branches are stable, master, or unstable

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4784 e93f8b46-1217-0410-a6f0-8f06a7374b81

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4619 e93f8b46-1217-0410-a6f0-8f06a7374b81

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4568 e93f8b46-1217-0410-a6f0-8f06a7374b81

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4446 e93f8b46-1217-0410-a6f0-8f06a7374b81

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4349 e93f8b46-1217-0410-a6f0-8f06a7374b81