updated the wrtie access to MapMarker
cloud code to fix DC
removed all write permission of MapMarkers
deleted unnecessary cloud code
sdf
set all new user public read
Merge branch 'development'
implemented who's nearby feature
implemented find nearby
updated html
Merge branch 'development'
latest
Merge branch 'development'

Conflicts:
	public/index.html
implemented like button and my plans
html