filled education, fixed stylesheet, map.svg
	modified:   layers/education.html
	modified:   layers/online.html
	modified:   layers/university.html
	modified:   map.svg: fixed g height and color of
	education
	new file:   resources/coursera-android-two.pdf
	new file:   resources/education.jpg
	new file:   "resources/\321\201oursera-android-one.pdf"
	new file:   "resources/\321\201oursera-computer-networks.pdf"
	modified:   stylesheet.css : changed #popup img