Fix deprecation warning for set_table_name

ActiveRecord 3.2.x uses `self.table_name = …` instead

test/flag_shih_tzu_test.rb

@@ -1,7 +1,7 @@
 require File.expand_path(File.dirname(__FILE__) + '/test_helper.rb')
 
 class Spaceship < ActiveRecord::Base
-  set_table_name 'spaceships'
+  self.table_name = 'spaceships'
   include FlagShihTzu
 
   has_flags 1 => :warpdrive,
@@ -10,43 +10,43 @@ class Spaceship < ActiveRecord::Base
 end
 
 class SpaceshipWithoutNamedScopes < ActiveRecord::Base
-  set_table_name 'spaceships'
+  self.table_name = 'spaceships'
   include FlagShihTzu
 
   has_flags(1 => :warpdrive, :named_scopes => false)
 end
 
 class SpaceshipWithoutNamedScopesOldStyle < ActiveRecord::Base
-  set_table_name 'spaceships'
+  self.table_name = 'spaceships'
   include FlagShihTzu
 
   has_flags({1 => :warpdrive}, :named_scopes => false)
 end
 
 class SpaceshipWithCustomFlagsColumn < ActiveRecord::Base
-  set_table_name 'spaceships_with_custom_flags_column'
+  self.table_name = 'spaceships_with_custom_flags_column'
   include FlagShihTzu
 
   has_flags(1 => :warpdrive, 2 => :hyperspace, :column => 'bits')
 end
 
 class SpaceshipWithColumnNameAsSymol < ActiveRecord::Base
-  set_table_name 'spaceships_with_custom_flags_column'
+  self.table_name = 'spaceships_with_custom_flags_column'
   include FlagShihTzu
 
   has_flags(1 => :warpdrive, 2 => :hyperspace, :column => :bits)
 end
 
 class SpaceshipWith2CustomFlagsColumn < ActiveRecord::Base
-  set_table_name 'spaceships_with_2_custom_flags_column'
+  self.table_name = 'spaceships_with_2_custom_flags_column'
   include FlagShihTzu
 
   has_flags({ 1 => :warpdrive, 2 => :hyperspace }, :column => 'bits')
   has_flags({ 1 => :jeanlucpicard, 2 => :dajanatroj }, :column => 'commanders')
 end
 
 class SpaceshipWithBitOperatorQueryMode < ActiveRecord::Base
-  set_table_name 'spaceships'
+  self.table_name = 'spaceships'
   include FlagShihTzu
 
   has_flags(1 => :warpdrive, 2 => :shields, :flag_query_mode => :bit_operator)
@@ -69,7 +69,7 @@ def test_has_flags_should_raise_an_exception_when_flag_key_is_negative
     assert_raises ArgumentError do
       eval(<<-EOF
         class SpaceshipWithInvalidFlagKey < ActiveRecord::Base
-          set_table_name 'spaceships'
+          self.table_name = 'spaceships'
           include FlagShihTzu
 
           has_flags({ -1 => :error })
@@ -83,7 +83,7 @@ def test_has_flags_should_raise_an_exception_when_flag_name_already_used
     assert_raises ArgumentError do
       eval(<<-EOF
         class SpaceshipWithAlreadyUsedFlag < ActiveRecord::Base
-          set_table_name 'spaceships_with_2_custom_flags_column'
+          self.table_name = 'spaceships_with_2_custom_flags_column'
           include FlagShihTzu
 
           has_flags({ 1 => :jeanluckpicard }, :column => 'bits')
@@ -98,7 +98,7 @@ def test_has_flags_should_raise_an_exception_when_desired_flag_name_method_alrea
     assert_raises ArgumentError do
       eval(<<-EOF
         class SpaceshipWithAlreadyUsedMethod < ActiveRecord::Base
-          set_table_name 'spaceships_with_2_custom_flags_column'
+          self.table_name = 'spaceships_with_2_custom_flags_column'
           include FlagShihTzu
 
           def jeanluckpicard; end
@@ -114,7 +114,7 @@ def test_has_flags_should_not_raise_an_exception_when_flag_name_method_defined_b
     assert_nothing_raised ArgumentError do
       eval(<<-EOF
         class SpaceshipWithAlreadyUsedMethodByFlagshitzu < ActiveRecord::Base
-          set_table_name 'spaceships_with_2_custom_flags_column'
+          self.table_name = 'spaceships_with_2_custom_flags_column'
           include FlagShihTzu
 
           has_flags({ 1 => :jeanluckpicard }, :column => 'bits')
@@ -129,7 +129,7 @@ def test_has_flags_should_raise_an_exception_when_flag_name_is_not_a_symbol
     assert_raises ArgumentError do
       eval(<<-EOF
         class SpaceshipWithInvalidFlagName < ActiveRecord::Base
-          set_table_name 'spaceships'
+          self.table_name = 'spaceships'
           include FlagShihTzu
 
           has_flags({ 1 => 'error' })
@@ -422,7 +422,7 @@ def test_should_ignore_has_flags_call_if_column_does_not_exist_yet
     assert_nothing_raised do
       eval(<<-EOF
         class SpaceshipWithoutFlagsColumn < ActiveRecord::Base
-          set_table_name 'spaceships_without_flags_column'
+          self.table_name = 'spaceships_without_flags_column'
           include FlagShihTzu
 
           has_flags 1 => :warpdrive,
@@ -440,7 +440,7 @@ def test_should_ignore_has_flags_call_if_column_not_integer
     assert_raises FlagShihTzu::IncorrectFlagColumnException do
       eval(<<-EOF
         class SpaceshipWithNonIntegerColumn < ActiveRecord::Base
-          set_table_name 'spaceships_with_non_integer_column'
+          self.table_name ='spaceships_with_non_integer_column'
           include FlagShihTzu
 
           has_flags 1 => :warpdrive,