#92 add support for fallbacking locales to each other
Failing test
[readme] clarify usage of 'up' and 'down' migration instance methods in Rails >= 3.1.0.
Propertly set belongs_to association

Association key must be a symbol, not a string
Fall back to respond_to?
Add a note about versioning and `locale` to the README.

Suggested in [#101](https://github.com/svenfuchs/globalize3/issues/101),
this potentially can ease some confusion for people adding globalize3 to
a previously versioned model and experience an `undefined method
locale=` error.
Added serialization detection and application
Fixed attribute serialization for Rails 3.0
&& not and
Merge remote-tracking branch 'seeweer/92_add_support_for_fallback' into fallbacks

Conflicts:
	README.textile
Refactored the setting and getting of fallbacks.
Do HashWithIndifferentAccess legwork when setting fallbacks not reading them.
Fix class_name in belongs_to when model is namespaced
Merge pull request #180 from scambra/patch-1

Fix class_name in belongs_to when model is namespaced
Add :locale to attr_accessible list.

For #128
Do not hit database each time missing translation requested
Prevent a blank translation being created when merely accessing an attribute for a locale that isn't translated yet.

See https://gist.github.com/4341490 for details.
Add failing test to show error in saving translations

Failing test fixed in 95298d0
Fixes #167
Merge remote-tracking branch 'stefanoverna/secondary-unsaved-translations'

Conflicts:
	test/globalize3/attributes_test.rb
Remove rejection of blank translations as this is now fixed.

Fixed in 95298d0
Fixes #169