Add TOC to active sidebar menu
Update wording on release policy as per our internal discussion
Hide border when section TOC is closed
Fix wrong icons on API and Integrator sidebar
Add display_price to the products response
Fix extension links ~> extension_tutoral
Add mention of Ruby 1.9.3 in Heroku guide
Include *_url responses in image resource
Add mention of Ruby 1.9.3 in Heroku guide
Add admin role creation to Heroku guide
Fix issue with api/integrator sidebar menus always stay collapsed
Add display_item_total to return result for orders
Spelling mistake

Here we are changing a preference to something [other then] the default as specified in Spree::AppConfiguration.

"other then " -> "other than"

When working with [Taxomonies] there are two keys terms to understand:

[Taxomonies] -> Taxonomies
Moved all closing triple-ticks (```) to the end of the preceding line, except in release notes.

Conflicts:
	content/developer/customization/i18n.markdown
	content/developer/deployment/heroku.md
Added a few markdown conventions to the README
Added markdown conventions to the README
Extended markdown conventions to include class instances and attributes.
Markdown standardization - activators, addresses, and adjustments.
More standardization on markdown, more explicit explanation for the FlexiRate calculator.
Updates to the Calculators guide, including adding back in the bookmarks