Relaxed activerecord and activesupport dependencies for rails 4
Update README.md
Update README.md
Merge pull request #96 from jdurand/master

Relaxed activerecord and activesupport dependencies for rails 4
Gemfile to use 3.2 for tests
Bump ar_transaction_changes to 0.0.3
Add require to AS attribute_accessors

ActiveSupport 4+ doesnt require that by default, so we need to include it.
Ignore all *.lock files
Merge pull request #99 from Shopify/attr_accesor_require

Add require to AS attribute_accessors
No need to tab the Class after creating it
Merge pull request #100 from Shopify/better_test_objects

No need to tap the Class after creating it
Make test record objects rails4 compatible
Update serialized fixtures
Merge pull request #101 from Shopify/scope_order_r4

Make test record objects rails4 compatible
Add ruby-head to travis
Add fast_finish to travis
add rails 4 gemfile
Add rails4 gemfile to travis
s/record/item on tests
Merge pull request #104 from Shopify/rename_record

s/record/item on tests