Ein paar style anpassungen für die power cards
Merge branch 'master' of https://github.com/Gonozal/Character-Sheet

Conflicts:
	app/assets/stylesheets/characters.css.less
	app/views/characters/show.html.slim
Merge branch 'master' of https://github.com/Gonozal/Character-Sheet

Conflicts:
	app/views/powers/_power.html.slim