lobby players ready state and UI

CheckersClient/.idea/caches/build_file_checksums.ser

....idea/libraries/Gradle__org_javatuples_javatuples_1_2.xml

CheckersClient/android/assets/Menu/1x/PlayerReady.png

CheckersClient/android/assets/Menu/1x/PlayerReadyCheck.png

CheckersClient/build.gradle

...ore/src/com/mygdx/game/controllers/NetworkController.java

...core/src/com/mygdx/game/controllers/PlayerController.java

...c/com/mygdx/game/controllers/commands/cSetPlayerName.java

.../com/mygdx/game/controllers/commands/cSetPlayerReady.java

CheckersClient/core/src/com/mygdx/game/model/Lobby.java

CheckersClient/core/src/com/mygdx/game/model/Player.java

CheckersClient/core/src/com/mygdx/game/views/LobbyView.java

CheckersClient/core/src/com/mygdx/game/views/MenuView.java

...ient/core/src/com/mygdx/game/views/enums/LobbyAssets.java

CheckersServer/.idea/caches/build_file_checksums.ser

.../libraries/Gradle__CheckersServer_desktop_desktop_1_0.xml

....idea/libraries/Gradle__org_javatuples_javatuples_1_2.xml

CheckersServer/build.gradle

...core/src/com/mygdx/game/controller/NetworkController.java

...rc/com/mygdx/game/controller/commands/cSetPlayerName.java