* NEW: Remove a debugging message in the connection editor.

[INTERPRETER]
* NEW: '_property' is a new special method that must return TRUE when an
  unknown symbol (stored in Param.Name) is a property. If that special
  method is not implemented, all unknown symbols are methods.
* NEW: Remove the deprecated constant gb.Text.
* NEW: Param.Property has been removed.

[COMPILER]
* NEW: Handle the new '_property' special method. That method must be 
  public, dynamic, takes no argument, and must return a boolean.


git-svn-id: svn://localhost/gambas/trunk@3915 867c0c6c-44f3-4631-809d-bfa615b0a4ec