Made /obs/* login reguired. 
Made login page secure always (good for passswords)
Stopped printing EarthEngine Service is ready in prod mode.
Moved ad hoc overlays top the LHS map so they are visible when there is
no RHS map.
Changed behaviour so that when accessing a URL when not logged in, it
asks you to log in then redirects back to the original resource.
Applied to new/area and obs/* ObservationTaskHandler. The two most
important cases. 
view/area just returns to the index page after login.
Fixed X-Appengine-Citylatlong in new-area
Improved the error reportijng for LandsatOverlayRequestHandler.
Reduced margins. Added black border around maps.
Moved Ad-Hoc Overlays inside the accordion.
Removed the FORMA button.
Better pre-submit form checking for nopn-ascii chars. All form problems
are collated to a signle alert.
reduced margins
added a lesspaddding and a white-font class to trim up the maps views.
removed a print statement to clean up the produciton logs.
no real changes