Merge pull request #2421 from LFDM/rails_plugin_fix

Fixes _rails_command in new rails plugin

plugins/rails/rails.plugin.zsh

 function _rails_command () {
-  if [ -e "script/server" ]; then
-    ruby script/$@
+  if [ -e "bin/rails" ]; then
+    bin/rails $@
   elif [ -e "script/rails" ]; then
     ruby script/rails $@
-  elif [ -e "bin/rails" ]; then
-    bin/rails $@
+  elif [ -e "script/server" ]; then
+    ruby script/$@
   else
     rails $@
   fi