Installer, Win: improved localization

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42646 4005530d-fff6-0310-9dd1-cebe43e6787f
Installer, Win: updated Russian translation

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42647 4005530d-fff6-0310-9dd1-cebe43e6787f