cascading layout change
add erroFn in site_stat.js
styling for feed page, show and convert timestamp for feed photos, title changes
Merge pull request #52 from leituo56/dev_jenn2

styling for feed page, show and convert timestamp for feed photos
added icons categories (and style) to feed items
Merge pull request #53 from leituo56/dev_jenn2

added icons categories (and style) to feed items
change decimal to percentage
fixed filter icon change color on hover/active issue
Merge pull request #54 from leituo56/dev_jenn2

fixed filter icon change color on hover/active issue
Merge pull request #55 from leituo56/sammie_visualization

Sammie visualization
add stat_visualized.js
add stat_visualized.js
Merge pull request #56 from leituo56/sammie_visualization

Sammie visualization
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
update
Merge pull request #58 from leituo56/sammie_visualization

update
fixing bug on filter hover/active effect
Merge pull request #59 from leituo56/dev_jenn2

fixing bug on filter hover/active effect
added icons to photo detail page, changed some title/header names, fixed styles