codetools: var absolute in var sections

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43204 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: vr hint modifiers only in modes objfpc, delphi and delphiunicode

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43205 4005530d-fff6-0310-9dd1-cebe43e6787f