IDE: setup dialog: show if fpc source directory misses rtl, packages

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41978 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: when ppu found, but not source: add hint to check FPC source directory

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41979 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: resourcestring

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41980 4005530d-fff6-0310-9dd1-cebe43e6787f