Convert legacy tab indentation to spaces and remove trailing whitespace from all lines

test/liquid/output_test.rb

@@ -49,7 +49,7 @@ class OutputTest < Test::Unit::TestCase
 
     expected = %| good bad good |
     assert_equal expected, Template.parse(text).render(@assigns)
-  end               
+  end
 
   def test_variable_piping
     text = %( {{ car.gm | make_funny }} )
@@ -113,4 +113,4 @@ class OutputTest < Test::Unit::TestCase
 
     assert_equal expected, Template.parse(text).render(@assigns, :filters => [FunnyFilter])
   end
-end # OutputTest
+end # OutputTest