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

.gitignore

@@ -23,3 +23,7 @@
 /tmp/test/*
 /vendor/rails
 *.rbc
+
+/.bundle
+/Gemfile.lock
+

.hgignore

@@ -25,5 +25,10 @@ tmp/sockets/*
 tmp/test/*
 vendor/rails
 *.rbc
+
 .svn/
 .git/
+
+.bundle
+Gemfile.lock
+