Extended content padding.
Using 'Soft Tabs'.
Made design responsive.
Merge branch 'master' of https://github.com/bigteddy97/Feedo
Changed popover to modal dialog for adding feed.

Animated refresh button.
Added feed adding to the server.
Fixed callbacks not being called.
Implemented update and refresh of feed list, after add and on button click.
Fixed add feed button not refreshing list.
Refactored FeedMenuView
Refactored FeedMenuItemView
Fixed Feed's items not being displayed.

Added comments.
Refactored FeedItemMenuView
Fixed Feed's items not being loaded.
Refactored FeedItemMenuItemView
Made feed items be displayed within the items list.
Linebreak
Added unread indicator.
Merged old .feed-item styles with new .feed-item-menu-item.open.
fixed error with missing id after adding feed