Fixed info box to hide when not over map.

Also avoid overflowign the page when outside the canvas.
And some visual tweaks (fade effects, rounded corner).
minor tweaks
Merge branch 'master' of public.kitware.com:OpenGeoscience/geoweb into 86-lat-lon-hover-text
Layers now report the scalar values when queried
merged master in
only visual cleanup
querying scalars now interpolates inside triangles
Fixed coding style and other minor issues
Merge branch '86-lat-lon-hover-text' into 86-lat-lon-hover-text-master

* 86-lat-lon-hover-text:
  Fixed coding style and other minor issues
  querying scalars now interpolates inside triangles
  only visual cleanup
  Layers now report the scalar values when queried
  minor tweaks
  Fixed info box to hide when not over map.

Conflicts:
	web/lib/geo/featureLayer.js
	web/lib/geo/map.js
Removed extra text at the end
Merge remote-tracking branch 'origin/86-lat-lon-hover-text-master'

* origin/86-lat-lon-hover-text-master:
  Removed extra text at the end
  Fixed coding style and other minor issues
  querying scalars now interpolates inside triangles
  only visual cleanup
  Layers now report the scalar values when queried
  minor tweaks
  Fixed info box to hide when not over map.