wip: views: add HomeMainRegionView class
wip: views: add HomeSubRegionView class
wip: views: add GitHubLoginFormView class
wip: home_controller: set views
wip: home_view: change regions
wip: views: update views.coffee
wip: web_server: load css (bootstrap-social, font-awesome)
wip: bower: use bootstrap-social#4.8.0
wip: bootstrap_holo: change import url
wip: build