Re-implemented Traffic Information Feature

- Added Traffic Jam DB
- Added Data Submit Page
- Added Show/Hide Traffic Jams Function
Fixed bug with sidebar hide button

Made it shown again after bad reconstruct by someone
Still have a position bug when hide the sidebar
Geocoding included
Added function to delete traffic jam spots

F
Improved the submit site
Merge remote-tracking branch 'origin/CongestionInfo'

Conflicts:
	.gitignore
	.idea/dataSources.xml
	.idea/group5.k57ca.iml
	.idea/runConfigurations/Development__group5_k57ca.xml
	.idea/runConfigurations/Production__group5_k57ca.xml
	.idea/runConfigurations/spec__group5_k57ca.xml
	.idea/runConfigurations/test__group5_k57ca.xml
	.idea/workspace.xml
	Gemfile
	Gemfile.lock
	app/assets/javascripts/constants_declaration.js
	app/assets/javascripts/main.js
	app/assets/javascripts/map.js
	app/assets/javascripts/routedirection.js
	app/assets/javascripts/setting_interface.js
	app/assets/stylesheets/custom-css.css
	app/assets/stylesheets/toggle-sidebar.css
	app/controllers/welcome_controller.rb
	app/views/layouts/_left_slidebar.html.erb
	app/views/layouts/application.html.erb
	config/routes.rb
	db/schema.rb