Rune Rebalancing

I think for Preseason 7, we should really rebalance the Rune System. Right now, there is about 3 different runes picked commonly in each rune type. Quintts have the most variety because they are just good with everything, but that should be obvious.

Per Level runes are commonly not worth the late game benefit compared to the early game loss. Some runes, like Experience and Death Timer runes, are just innately broken and should be removed and maybe replaced for something better. Spell Vamp runes are never seen and Energy runes don't offer enough benefit on most of the Energy users, especially Shen who now has 400 max Energy.

For Preseason 7, we need to do a sweep of rebalancing for Runes so we have actually Rune variety and, therefore perhaps, greater champion variety from the increased potential rune benefits.