aws.rb in attached-0.1.6

- old
+ new

@@ -1,7 +1,11 @@
 require 'attached/storage/base'
 
-require 'aws/s3'
+begin
+  require 'aws/s3'
+rescue LoadError
+  raise "Installation of 'aws/s3' is required before using 'aws' for storage"
+end
 
 
 module Attached
 	module Storage
 		class AWS < Base
\ No newline at end of file