Merge pull request #72 from leituo56/Dev_TuoLei

Dev tuo lei
square crop of user photo on user home, style not done
Merge pull request #73 from leituo56/dev_jenn2

square crop of user photo on user home (style still in progress)
user page, favorites styling
Merge pull request #74 from leituo56/dev_jenn2

user page, favorites styling
check follow
Merge branch 'dev-xiaoli'

* dev-xiaoli:
  check follow
Merge branch 'master' of https://github.com/leituo56/CMPE272-Group6 into Dev_TuoLei