Merge pull request #3 from Lyonsclay/malone_tunes

Malone tunes
Re-add @products = Product.all
Remove stylesheet_link_tag params[:controller]
Implement item_update and item_delete callback methods
Change item_update method to product.find_by_item_id
Add to_s to product.errors.to_s
Add check for tax2_id to item update, and add check for product on product delete, and messaging
Change logging message and fix hash name
Add gem 'dalli' for caching in production
Add config.cache_store = :mem_cache_store
Change config.cache_store to :memory_store
Implement delete_all_webhooks
Change logging message for Freshbooks api calls
Add params.inspect to logging message
Fix params[:verifier] spelling
Add Delete All Webhooks button to admin/freshbooks/index
Add admin/freshbooks/webhooks_delete to route
Add resonse_hash.inspect to logging message
Remove config.cache_store = :memory_store
Implement callback_id_retrieve method