Added translade method to Camera and it's test.
created public/images folder
created can_go_left? and can_go_right?
adding new frontend vier. Avaiable at welcome/index
some modifications in front end, such as bootstrap elements
adding some view and controller files
Some front-end adjustments...
Changed root_to page...
Merge branch 'translading_logic' into frontend

Conflicts:
	sav-server/app/views/layouts/application.html.erb
	sav-server/config/routes.rb
	sav-server/public/index.html
Removed scaffolds.css.scss
Fixed about pages linking
Created a new view to contact info
Created a new view to system info
removed dropdow on nav bar
rebuild a nav bar with new viewers;
Changed linking mode to SAV to cameras;
Changed color on click on the btn more info to system integrated

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modifications in cameras list and link added to translade manual buttons
Added new stylesheet.
Merge branch 'frontend' of github.com:pi2grupo3/sav into frontend
Some CSS
finishing layout style, all blue btn whith withe collar, add info about other gropus
Página de contatos.
Merge branch 'frontend' of github.com:pi2grupo3/sav into frontend

Conflicts:
	sav-server/app/views/welcome/contato.html.erb
video streamingadded in show camera
Merge branch 'frontend' of https://github.com/pi2grupo3/sav into frontend