Fix reported errors at Reddit

Fix some strengths and weakness.

Fix legend color for 'Does not affect';

Thanks /u/ZurichianAnimations :)
Change the way data is handled.

This fixes most (if not all) major problems with the chart itself.
Removed "incoming" advantages, left only outgoing, to minimize false
positives.
Tweaking lines opacity.
Adding Social Media Tags

OpenGraph and Twitter Cards
Fix twitter canonical url
Add Twitter Card Type
Change Twitter Site to Creator
Change colors

Let's try to make this as acessible as possible. Trying to make this
color-blind friendly.
Color target node name

Make the target node name be the same color as the path that leads to it