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fixed #427 (replaced thin with unicorn) and more

added  rails_12factor gem to prevent the deprecation error on heroku
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Fix #398
Fix #431
Fix #428
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Fix #398
Fix #431
Fix #428
Fix #423
Merge remote-tracking branch 'origin/development' into development
Fix 418 (job broker icon)
Merge branch '#433-hot-fix' into development

Conflicts:
	Gemfile
	Gemfile.lock
	app/assets/stylesheets/all/bootstrap_and_overrides.css.scss
	app/views/customers/_customer.html.erb
	app/views/customers/_customer_contact_info.html.erb
	app/views/customers/_customer_jobs.html.erb
	app/views/notifications/_notification.html.erb
	app/views/service_calls/_active_jobs.html.erb
	app/views/service_calls/_job_statuses.html.erb
	app/views/static_pages/_home_jobs.html.erb
	app/views/static_pages/_home_notifications.html.erb
	app/views/static_pages/welcome.html.erb
	config/database.yml
	config/locales/defaults/en.yml
	config/locales/devise.en.yml
Merge branch '#437-hot-fix' into development
Merge branch '#422-hot-fix' into development
fixed affiliate show - to display other industry
fixed #434
cosmetic changes
added total to include price + tax