[Setup Scripts] Adding EAV attributes

[Vinai]

• Prerequisite Knowledge: Custom vs. System vs. Extension Attributes
• Getting the EavSetup object
• EAV attribute properties and PropertyMappers
• Global attribute properties from the EAV PropertyMapper
• Product attribute properties from the Catalog PropertyMapper
• Customer and Address attribute properties from the Customer PropertyMapper
• Assigning attributes to attribute sets
• Adding an EAV attribute to products
• Adding an EAV attribute to categories
• Adding an EAV attribute to customers
• Adding an EAV attribute to addresses
• Customer and address EAV Attribute filters
• Customer and address EAV Attribute validators
• Accessing a custom EAV attribute on an ORM model
• Accessing a custom EAV attribute on a data object
• Attribute Backend Models
• Attribute Frontend Models
• Attribute Source Models
• Adding custom source model attributes to the catalog product flat tables

[Vinai]

Done.