Use full hash references in library/

Brew doesn't currently support abridged hashes

library/hipache

@@ -1,2 +1,2 @@
-latest	git://github.com/dotcloud/hipache C:7362ff5b812f
-0.2.4	git://github.com/dotcloud/hipache C:7362ff5b812f
+latest	git://github.com/dotcloud/hipache C:7362ff5b812f93eceafbdbf5e5959f676f731f80
+0.2.4	git://github.com/dotcloud/hipache C:7362ff5b812f93eceafbdbf5e5959f676f731f80