Add foreign_key for edge cases
Delegates column_for_attribute to globalize adapter when called for translated attribute.
Merge pull request #202 from ybart/issue-202-column_for_attribute_delegation

Formtastic inputs for translated attributes don't get type information
Merge pull request #198 from cfabianski/add_foreign_key_to_belongs_to

Add foreign_key for edge cases
Add options for vestal_versions versioning.

Fixes #199
Moved test model definitions to separate files.
Merge remote-tracking branch 'globalize3/master' into development

* globalize3/master:
  Moved test model definitions to separate files.
  Add options for vestal_versions versioning.
  Delegates column_for_attribute to globalize adapter when called for translated attribute.
  Add foreign_key for edge cases

Conflicts:
	lib/globalize/active_record/act_macro.rb
	lib/globalize/active_record/instance_methods.rb
	lib/single_table_globalize3/active_record/class_methods.rb
	single_table_globalize3.gemspec
	test/data/models.rb
	test/data/schema.rb
	test/globalize3/translation_class_test.rb