Make Graveyard window Vertical instead of Horizontal and resizable

from reddit post:
https://www.reddit.com/r/XMage/comments/4dnuon/suggestion_vertical_graveyard/

As of now, playing with graveyard-"intensive" decks bloats the screenspace, something that could easily be rectified by creating a normal graveyard zone that's vertically sorted instead of horisontal.

Another great thing would be to let the graveyard window be resized by height instead of just width.