[docs] Final Doc Tidy Up

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Needs a more linear, less complicated flow

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• All Configs
• Better Guides Flow
• Ensure Uniform Naming Conventions
• Include the "important" points - Reactive stateful single Page checkout, Separate Store
• All README's including root

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• Update Packages with Individual Repos

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• Generators

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• Spree SMTP Error holla @williscool

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All is done, just need to:

• implement generators
• add webkit prefixes to logo placement
• Ensure YUIDoc stuff is accurate