Add Sandro Cumerlato to the list of contributors.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44030 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: Free the new IDE builder object only at the very end. It is used longer than it first appears.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44031 4005530d-fff6-0310-9dd1-cebe43e6787f