Merge pull request #756 from Gravecorp/3.1.x.x

proxygen alignment ftw.
Fixed marker dialog
Merge branch '3.1.x.x' of github.com:kellyelton/OCTGN into 3.1.x.x
Made it so you can't make a deck for a game with no sections.
Fixed deck bug
Fixed <=0 card count in deck editor not removing and saving.
Most of the starting updating of games happens in the background so it doesn't block as long.
Closes #737
Added check for installing old o8g's
Deck load always points to the game database decks folder
Minor cosmetic fix