add bundler generates files to .gitignore and .hgignore (#5638)....
add bundler generates files to .gitignore and .hgignore (#5638).
Contributed by Gregor Schmidt.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6454 e93f8b46-1217-0410-a6f0-8f06a7374b81