web: Container action buttons now in panel-heading

Fixes #648

Reviewed-by: Stef Walter <stefw@redhat.com>
web: Refactors layout by moving inline styles to external stylesheet

Fixes #648
Reviewed-by: Stef Walter <stefw@redhat.com>
web: Fixes formatting of the terminal to line up with panel buttons

Fixes #648
Reviewed-by: Stef Walter <stefw@redhat.com>
web: Fixes margins of Image label and buttons

Fixes #675
Reviewed-by: Stef Walter <stefw@redhat.com>
web: Fixed the html indentation

Reviewed-by: Stef Walter <stefw@redhat.com>