rename gui to just "fava"
rename gui to just "fava"

yagebu/fava,beancount/fava,aumayr/beancount-web,yagebu/fava,yagebu/fava,aumayr/beancount-web,yagebu/fava,beancount/fava,beancount/fava,yagebu/fava,beancount/fava,beancount/fava,aumayr/beancount-web,aumayr/beancount-web