Resources/images/VIII.png: Fix ‘r’ character

* Character had left-over magenta color
Resources/ttcards.icns: Rename to icon.icns
Update to nomlib’s latest API from dev branch
PlayState: Make ID check an assertion & remove string length check

PlayState::updateMessageBox
Game: Change video flags to zero

* The previous state flags for the window didn't do anything for us
Update copyright year & e-mail address
GameObject: Consolidate audio buffers into an array allocation
PlayState: Fix display of invalid (NULL) cards on board

* Do not update our debug_box, info_box if the card is NULL.
Update to nomlib’s latest API on dev branch
Update game to use latest nomlib API from dev branch
Pass along std::shared_ptr<GameObject> as a const reference

* CardView: Pass GameConfig as a const pointer
CardsMenuState: Move init of player’s hand to PlayState

* Keep initialization of both players in one state
CardHand: Make CardsCollection reference const
Refactor states management

* Remove GameObject (everything is passed from the App class now)
* Update to nomlib's latest API (see SHA #3560269 on branch master)

Fix Issue #9
Disable travis-ci config

* Stop running build tests until we resolve existing build issues