add a few ignores

SamSaffron · SamSaffron · commit 93e9bcc7ebc3 · 2013-05-06T10:54:34.000+10:00
diff --git a/.gitignore b/.gitignore
@@ -84,3 +84,6 @@ config/version.rb
 
 # ignore the Ruby Version manager (rvm)
 .rvmrc
+.ruby-version
+.ruby-gemset
+.rbenv
