[gh-642] Update Entity API and Entity Reference to 7.x-1.x

sites/all/modules/entity/entity.info

sites/all/modules/entity/entity.module

sites/all/modules/entity/entity_token.info

sites/all/modules/entity/modules/callbacks.inc

sites/all/modules/entity/tests/entity_feature.info

sites/all/modules/entity/tests/entity_test.info

sites/all/modules/entity/tests/entity_test_i18n.info

...tity/views/handlers/entity_views_handler_field_entity.inc

sites/all/modules/entityreference/entityreference.diff.inc

sites/all/modules/entityreference/entityreference.info

...s/all/modules/entityreference/entityreference.migrate.inc

sites/all/modules/entityreference/entityreference.module

...ce_behavior_example/entityreference_behavior_example.info

.../behavior/EntityReferenceBehavior_TaxonomyIndex.class.php

...all/modules/entityreference/plugins/behavior/abstract.inc

...dules/entityreference/plugins/behavior/taxonomy-index.inc

...ection/EntityReference_SelectionHandler_Generic.class.php

...election/EntityReference_SelectionHandler_Views.class.php

...dules/entityreference/tests/entityreference.handlers.test

...dules/entityreference/tests/entityreference.taxonomy.test