made style Array list

did this for the ability to add just one chatcolor
Cleanup: various tweaks to make previous commit work as expected

* Added java.util.Arrays import
* Removed superfluous style(ChatColor color) overload (covered by varargs)
* Tweaked indentation for consistency
Emit ChatColor.UNDERLINE as "underlined" in JSON. Fixes #17.
Merge upstream/master

Conflicts:
	src/main/java/mkremins/fanciful/FancyMessage.java