Revert "integrate google auth"

This reverts commit 37e29227a04863706b978cd238126b8385570b83.
configure from settings.py
use bootstrap for layout
click on marker to open modal
depend on flask-wtforms
render the editing form
submit the form
fill the form
use simplejson
'id' field is of type integer
commit to github
show rate limit remaining
more form fields