"Show correct answer to client" is added to server

...ient/app/src/main/java/onlab/kvizclient/GameActivity.java

...rc/main/java/onlab/kvizclient/MultipleChoiceFragment.java

...n/res/drawable-hdpi/ic_keyboard_arrow_left_black_48dp.png

...n/res/drawable-hdpi/ic_keyboard_arrow_left_white_48dp.png

.../res/drawable-hdpi/ic_keyboard_arrow_right_black_48dp.png

.../res/drawable-hdpi/ic_keyboard_arrow_right_white_48dp.png

...n/res/drawable-mdpi/ic_keyboard_arrow_left_black_48dp.png

...n/res/drawable-mdpi/ic_keyboard_arrow_left_white_48dp.png

.../res/drawable-mdpi/ic_keyboard_arrow_right_black_48dp.png

.../res/drawable-mdpi/ic_keyboard_arrow_right_white_48dp.png

.../res/drawable-xhdpi/ic_keyboard_arrow_left_black_48dp.png

.../res/drawable-xhdpi/ic_keyboard_arrow_left_white_48dp.png

...res/drawable-xhdpi/ic_keyboard_arrow_right_black_48dp.png

...res/drawable-xhdpi/ic_keyboard_arrow_right_white_48dp.png

...res/drawable-xxhdpi/ic_keyboard_arrow_left_black_48dp.png

...res/drawable-xxhdpi/ic_keyboard_arrow_left_white_48dp.png

...es/drawable-xxhdpi/ic_keyboard_arrow_right_black_48dp.png

...es/drawable-xxhdpi/ic_keyboard_arrow_right_white_48dp.png

...es/drawable-xxxhdpi/ic_keyboard_arrow_left_black_48dp.png

...es/drawable-xxxhdpi/ic_keyboard_arrow_left_white_48dp.png