Added buttons for joining games
Normalized default button styling
Moved table row building to a helper function
Refactored row generation for easily adding events to child elements
First steps in joining game loop trough MockServer
Fixed typos in validations messages
Added and applied global error notification helper toastError()
Added non functional 'exit game' button to waiting for players page
Did some stuff with games which i cant remember
Merged new_pages into master