line type renamed for linestring
OPAL-1874: Creating a new array when array of existing variables is null
Merge branch 'master' of https://github.com/obiba/opal
GeoValueDisplayEvent added. Applied to Point sequence.
linestring and polygon values visualization added.
Fix linestring and polygon mapping.
Test fix
OPAL-1874: Using toSafeArray
Merge pull request #197 from emorency/feature/OPAL-1874-update-view-error

OPAL-1874: Creating a new array when array of existing variables is null
Different style for each type of features.
Added geo value display from entity values dialog.