Added "Types" to predefined list of units in "Units" list on "References" tab of Snippets Editor.
Removed list of type from form definition: they are always replaced by list in TUnitsChkListMgr.
*** This change is based on and similar to that applied to the 3.x branch at r2201.
Authored by: delphidabbler 2012-08-15
Parent: [r2201]
Child: [r2203]
