Merge pull request #268 from take-cheeze/prereqs_alias

Add alias `prereqs`.

Author: hsbt

lib/rake/task.rb

@@ -15,6 +15,7 @@ module Rake
   class Task
     # List of prerequisites for a task.
     attr_reader :prerequisites
+    alias prereqs prerequisites
 
     # List of actions attached to a task.
     attr_reader :actions

test/test_rake_task.rb

@@ -470,4 +470,9 @@ def test_suggests_valid_rake_task_names
       assert_match(/Did you mean\?  test/, error.message)
     end
   end
+
+  def test_prereqs
+    t = task(a: %w[b c d e])
+    assert_equal %w[b c d e], t.prereqs
+  end
 end