removed spaces
code moved: "create container"
spaces removed
removed unnecessary code related to metadata
Changed code style for: Authentication and SignOutButton

the reason: consistent code style
Code moved: Containers and Files
removed spaces
moved code: ActionsMenu
removed unnecessary code related to Item
moved code: Item and LoadMoreButton
removed spaces
moved line: FileManager.CreateContainerButton.show();
moved code: ActionsMenu
deleted unnecessary code: old confirm-delete
deleted unnecessary code: .item-menu and FileManager.Item.unselect
deleted unnecessary code: .menu-containers
FileManager.DefaultAction
deleted unnecessary code: old delete
FileManager.selectedItemEl renamed to FileManager.Item.selectedEl
Merge pull request #37 from Leon-G/master

refactoring