Other PCF changes

The following are changes to the configuration of PCF files:

• The Search Panel element now requires a searchCriteriaType property.
• The Data Series and Dual Axis Data Series elements now require a dataValueType property.
• A Range Input that maps to multiselects must now set the multiSelect property to true.
• Iterator elements now require a valueType property.
• The Variable element now requires a type property, even when the initialValue property is set.