turn on PackageImports globally

This will make it easier to use the Evil Splicer, when it needs to add
package qualified imports

And there's no real downside.

Command/Status.hs

@@ -5,7 +5,7 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
-{-# LANGUAGE PackageImports, BangPatterns #-}
+{-# LANGUAGE BangPatterns #-}
 
 module Command.Status where