Updated the buttons and cleaned the UI for better user experience

Updated the menu buttons, game buttons for better visibility to the user for a more intuitive design.

Game info has been updated to be more concise.

Resources changed to gold as its more intuitive to see it as spending money. 

Buttons added to defenders, etc. To lead players into interacting with the button and show players they have choices.

Added a floating window that will appear when you hover over certain images to further explain information to user.