cascading layout change
styling user_page and find_friend page
Merge branch 'dev-xiaoli'

* dev-xiaoli:
  styling user_page and find_friend page
  cascading layout change

Conflicts:
	src/SocialNwk/Photographer/static/css/explore_main.css
	src/SocialNwk/Photographer/templates/find_friends.html
	src/SocialNwk/Photographer/templates/user_page.html