Reorder and reorganize

No real code changes.

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>
Upgraded the apperance of the line

Now it looks something like a helix, with shading for a 3D feel.

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>
Scale effect to window width

Now the lines hopefully won't look stretched on a dual-monitor setup (not
tested).

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>