improved the legend menu, use w and s to scroll if there are more
authors than screen height
Merge branch 'master' of https://github.com/yolandaw/CS410.git

Conflicts:
	CS410 Project/src/main/CityModel.java

had to initialize author in settowerowner so that program doesn't crash
when a tower has no authors
Merge branch 'master' of https://github.com/yolandaw/CS410.git

Conflicts:
	CS410 Project/src/main/Tower.java

same change that Quinn made