enable access to create textshout and phoshout of loginned users
fix bug: ability that user can remove their own shouts
overflow hidden of shouts content
sign up user form shows in home page
show last login city and country in user profile larg screen
fix bug: create mthod for user to find city and country
add newrelic to gemfile
eliminate tel, email and mobile of user from public
add login form to home page for not logged in users
add error_notification to gemfile to send error to admin email whenever error  occurs
add slug to users model and migrate
bug fix: add config production.rb
make slug disable in view and improve validation
bug fix: slug validation in user model
bug fix: solve submit button hiding on upload image in firefox
add slug_updated to user and display it in user edit
add user slug(url) to user overview
add profile_url to application_controller and make it helper method
add a meta description for website in head tag
change partials variable(@user) from instance var to local var