Fix for POODLE

See http://googleonlinesecurity.blogspot.com/2014/10/this-poodle-bites-exploiting-ssl-30.html

PayPal has disabled SSLv3 which caused problems connecting with their API in the tests.
They have updated their SDKs to reflect that.

https://github.com/paypal/rest-api-sdk-php/commit/8e193664151578a0eeeca1129c9f3203951ac15a
Skip some useless tests
Merge pull request #20 from OpenBuildings/poodle

Fix for POODLE
Replace Freezable behavior with FreezableTrait
Update README with new isFrozen() method
Add branch alias for the next version
Merge pull request #21 from OpenBuildings/freezable

Replace Freezable behavior with FreezableTrait
Remove usage of obsolete `is_just_frozen` field
Freeze items when freezing a frozen purchase
Freeze items when freezing an already frozen store purchase
Merge pull request #22 from OpenBuildings/freeze-collections-on-frozen-models

Freeze items when freezing a frozen purchase
Adding Omnipay packages
Implementing Omnipay integration for Model_Payment
Changing Emp form to be generic credit card form, compatible with Omnipay
Fixing validator messages
Fixing model names for CreditCard_Form
Fixing tests for CreditCard_Form
Adding Omnipay Dummy gateway extension to support off site requests and refunds
Adding PSR-4 autoloading
Adding tests