/* Challenge: USING break and continue
* Add a class of "watered" to one or more of the divs in the html
* Add a class of "weeds" to one of the divs in the html
* Create an array to contain each div with a class of "plot"
* Loop through the array:
    If the plot has already been watered skip over it
    If the plot contains weeds then exit the loop
    If neither of these conditions is true add a class of "water" to the plot
*/