re-enabling the Attributes Fixture loader as first coded by @steverice - YAML structure is the same as Steve's proposal, needs more work on the cleanAttributes() and runRequiredIndexers() methods.
working code to import Attribute fixture data. Also tests for existence of attribute in Configurable product Fixture loader
return the mock object for getModel() calls for core/cookie as well as getSingleton
enhancements to allow multiple test passes (e.g. with expectations). Nulls out the EAV config singleton after cleaning the attributes from the database. Also resets the autoincrement value on the tables and runs appropriate indexing
correct variable naming per @IvanChepurnyi and adding some attribution

Conflicts:

	app/code/community/EcomDev/PHPUnit/Model/Mysql4/Fixture/Attribute/Abstract.php
Merge remote-tracking branch 'aligent/feature/attribute_fixture_loader' into feature/attribute_fixture_loader

Conflicts:
	app/code/community/EcomDev/PHPUnit/Model/Mysql4/Fixture/Attribute/Abstract.php
more variable renaming
Merge pull request #120 from aligent/feature/attribute_fixture_loader

Re-enable Attribute fixture loader