These are outstanding additions to Subtlety Rogue that didn't make it in to the initial relase in #285 .

• Change threshold line color if the next use will be buffed by Finality.
• Change threshold line color of Shuriken Storm when buffed by Silent Storm.
• [ ] Master of Shadows support - passive incoming Energy? Not bothering
• Symbols of Death
• • Bar text
• • Color change of some sort?
• • Shadowcraft indication on border