[Review] Request from 'vlewin' @ 'vlewin/e-shop/review_141016_re_design'

Please review the following changes:
  * 7598ba3 show order status progress in panel heading
  * dab4236 fix categories listing
  * 443e8b8 move newrelic gem to production group
  * 3baf6c6 consider_all_requests_local to false
  * e2c0b1b route none-existing routes to not_found
  * 32baa08 clean up controllers and enable authorization
  * 25faa0d enable authorization for carts
  * c080d8f override devise authenticate_user!
  * 84129ad raise Pundit::NotAuthorizedError if no user
  * b4b73ea dd cart policy
  * 15f975c set default datetime format
  * a8c6760 minor UI improvments
  * e7155f8 return default shipment method
  * d026311 add default shipping
  * d56314d improve order pdf view
  * 555acd9 enable newrelic
  * c5f856f remove newrelic config
  * 86a2166 uninstall newrelic
  * f2ae866 remove creds
  * 0216e38 add newrelic config
  * b13a35f improve order status
  * 1e3d7f5 add newrelic gem
  * 4d3cb53 move heading to panel body
  * 5e5b391 add color and icon to the order status select dropdown
  * 8dcef60 clean up
  * 26a1ffc order_status takes status string now
  * 93eb1a5 fix redirect issue
  * 9176dec format date time based on locale
  * 21cdf88 use dropdown as a select box for order states
  * 7e48c46 minor UI fixes
  * cd7be46 adapt params for product image tag
  * 0eed726 re-factor order status helper
  * 714beee add update_status method to orders controller
  * cabf27d after sign_in redirect to request referrer
  * 1f28ab6 add dropdowns-enhancement.js and minor ui fixes
  * 59b5bee fix wrong thumbnail size in profuct list
  * d7a01c8 dd icon action links
  * 9efaf63 add icon action links
  * 199bd56 open file upload dialog on image click
  * cfd9efb show icon action links
  * 5fb615f show icon action links
  * 3e46e9a switch to HAML
  * bb19f42 set date, time and currency format
  * 8971e04 add more responsive classes to product form
  * e48f607 fix shipment create and update actions
  * 65626ea remove breadcrumb
  * 0d193d2 margin bottom for panel alerts
  * 6393d30 switch to HAML and re-factor shipment views
  * 951c13d fix for cart link is clickable even through no products in the cart
  * d2be9f1 don't render breadcrumb
  * 5c4cbff re-factor address views and switch to HAML
  * 8ce106a remove unused partials
  * ffe552d adapt product_image_tag parameters in views
  * 877eb1a pass action parameter to category form
  * f5b456f re-factor image uploader
  * 14e9cf2 re-factor product_image_tag helper
  * aa5f1b1 adapt alerts and image style
  * d8494e7 number errors
  * a982049 re-factor admin product views and use haml instead of slim
  * 2e605ac clean up css
  * 6f222b9 change ribbon background color for out-of-stock products
  * 5f44f81 show number of errors and explanation message
  * b7dd37b default panel style
  * 438feb8 remove js erb templates
  * 0ae17bb use haml for all category views
  * b4d2d00 clean up Gemfile
  * 8184760 start CRUD views re-factoring (admin area)
  * 6c14089 clean up admin views
  * 4dde8f7 show carts in admin area
  * 0d0d2ab sticky footer
  * af17173 add cash payment type
  * 400666e disable alphabet letters for none xisting products
  * a456032 move css overrides to separate files
  * c93388a move all devise views to HAML
  * c94a5a0 render alphabet based on current locale
  * 5543147 remove locale routes scope
  * d8a29a2 hide cart on sign in/sign up pages
  * 49a162c disable locale method helpers
  * b15f12f remove locale redirect
  * 47d3e35 update translations
  * 5907d70 add :ru to available languages
  * bbe0311 add rails and devise i18n translation gems to Gemfile
  * 4ec2ee8 move devise and kaminari translations to separate folder
  * 909b972 change all categories link text and color
  * e0f4383 add alphabetical search filter
  * d0836e9 Merge branch 'review_141016_re_design' of github.com:vlewin/e-shop into review_141016_re_design
  * 8416696 minor ui improvments
  * 4144139 back to haml
  * dea2855 fix quantity helper
  * 788fa91 fix product pagination
  * f08b3c9 push WIP changes
  * 5b9a4ee clean font css files
  * 2f9df5a add active class to the filter links (category, view, sorting)
  * 1cb55b5 clean up store index and fix responsiveness
  * 71246a5 disable borders for category items
  * 3de11b7 order categories by name
  * 9548cfc clean up
  * a027545 adapt viewport (mobile)
  * 0ba9851 add info icon
  * e719aae ui improvments
  * f96466b ruby 1.9 hash syntax
  * fa8405e fix grid and list layout
  * 8057841 switch to HAML