Now uses the same as in the deck editor

Also, extracted the 2 new strings

+ Can be used for setting client size and closing the client.

Will expand on by sending client alerts to the tray.

Updated to push message notifactions to the toolbar

Preview image:

Added setting to enable/disable message popups

Added functionality

+ updated popup message and translation
+ Double clicking tray icon will now bring up the app/minimize it
+ can now be alerted of mentions
+ added setting to set if you want mentions on desktop
+ clicking mention message will take you to the main chat
+ added translations for icon menu
+ removed maximize/minimize/restore from menu, not needed.

Added disconnect

+ Disconnects any previous message slots/signals from the system icon
message bubble

This reverts commit 4568adb4.

 * ignore .tx folder
 * cmake: when UPDATE_TRANSLATIONS=ON, extract new strings only to the
english translation file.
 * added info in CONTRIBUTING.md
 * updated english translations

Consistency for certain affixes

Added new strings for Cockatrice
New Oracle translation
Cleaned up vanished strings

Translations have been updated.

Added new strings
Changed all instances of ‘zone’ based on oracle text of Torrent
Elemental
Changed all instances of ‘registered users’ into more commonly used term

cleaned up vanished transitions in the mean time.

Added translation of some new strings and svg file of South Korean flag.

Flag of South Korea is from
http://commons.wikimedia.org/wiki/File:Flag_of_South_Korea.svg

Fixed a non-standard word (손패) into the word that is used in official
translation (손)

Added line breaks in Korean translation for better readability.

Edited several sentences after a third-party review