[lazarus] Updates

[Mattias Gaertner]

Hi all,

Updates:
- added new compiler option: LCL Widget Type
- added new transfer macro: $(LCLWidgetType)
   This macro contains 'gtk' or 'win32', the value of the compiler option.
- Many options set in the compiler options dialog are now also set in the 
  codetools. For example: find declaration will now consider the unit path. 
- added new compiler option: Show Procs On Error, which corresponds to -vb


You can now set the widget type with a simple click (I think, Michael A.H. was the first who wishes this feature).
The new option is in  Run -> Compiler Options -> Search Paths -> LCL Widget Type.
This option sets the transfer macro $(LCLWidgetType), which can be used to create search paths for all widget types at once.
For example: Set the unit search path to

$(LazarusDir)/lcl/units;$(LazarusDir)/lcl/units/$(LCLWidgetType)

New projects will already contain the new macro.


Mattias