Actual Implementation of relative/absolute column component

[paradite]

Need to use some kind of drag-and-drop library and/or grid layout library.

Considerations:

• https://github.com/valor-software/ng2-dragula (Drag-and-drop)
• https://github.com/akserg/ng2-dnd (Drop-and-drop)
• https://github.com/BTMorton/angular2-grid (Grid system)

[paradite]

implemented without service to do persistence.