scintilla: udl: add defines for udl family upper bounds
* just makes it easier to tweak (add/remove)  values in future without
  the need to modify any code that uses them

(integrated from komodo (trunk) change 83469 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14138 b87d16e7-d29f-4ee1-b5ec-817d645d335f