It doesn't make any sense to store that particular setting

Relocated to the chat settings tab.

also, fix any invalid values loaded from config

+ added comments
+ refactored optimumRect

+ When viewing a sorted view (like revealing hand, or looking at
library), the cards will now be sorted in columns based on the main card
type.
+ Settings are now saved.

When being mentioned in a post with '@username' you will now see the entry highlighted. This
helps to see when someone is talking to you. It work across the main
chat, in game and in private chat.

We only have a good HQ source for them; any idea on a low-quality
source?

Added 'auto connect' checkbox to connect dialog. When the main window becomes active for the first time and auto connect is set to true, it will call connectToServer at that point.

* the previous PriceUpdater class has become abstract
* BLPPriceUpdater inherits the old code for blacklotusproject.com
* DBPriceUpdater is a new implementation for deckbrew.com
* add a setting to choose between the two

Ref #112

 If none of the gameboard images is set and and the user’s data
directory doesn’t contain a “zonebg” directory, create the directory,
copy contents from cockatrice’s app bundle and sets the config
accordingly.

 If none of the gameboard images is set and and the user’s data
directory doesn’t contain a “zonebg” directory, create the directory,
copy contents from cockatrice’s app bundle and sets the config
accordingly.

Add HQ card option

When something happens, the taskbar icon lights up/the dock icon
bounces. This can be annoying, so here is a setting to disable that.

Previously this behavior only occured for instants and sorceries

Woops, missed a file

Missed some parentheses

deck editor is tab, replay viewer is tab, deck editor shown by default, cache window geometry between sessions, 'open this deck in deck editor' open in game

added option to ignore unregistered users in chat; switched UserList data storage to QMap to speed up lookups; issue #28 fixed