OPAL-1749: Setting the script to "null" (same as when editing a variable through the table) when there is no script attribute
OPAL-1749: Removing GWT.log
Merge pull request #138 from emorency/master

OPAL-1749: Setting script to "null" when there is no script attribute for a variable and showing the edit button
Renamed underscored proto message field names to use camelCase instead