Added mock class Mage_GiftMessage_Block_Adminhtml_Product_Helper_Form_Config when GiftMessage module files has been removed
Update readme for version 1.0.1
Adding mocks for Mage_CatalogInventory
Adding Mage_Usa fallback model. errors occur when loading system/config and files of Mage_Usa have been removed
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Adding Mage_Usa fallback model. errors occur when loading system/config and files of Mage_Usa have been removed
  Adding mocks for Mage_CatalogInventory
  Update readme for version 1.0.1
  Added mock class Mage_GiftMessage_Block_Adminhtml_Product_Helper_Form_Config when GiftMessage module files has been removed