Added scrollable autoscroll button
Fixed line numbering: missing <a></a> (+6 squashed commits)
Squashed commits:
[fb19f2d] Assign onclick to first <p> instead of <div> and use javascript to open folded sections
[1be6758] Better build output
[380652b] Duration
[a35b9ef] Added spinner and open last folded section.
[2125471] Folding
[8d00b43] Line numbering

Conflicts:
	app/services/create_build_service.rb
	app/services/create_project_service.rb