ADD SofaGlutAnt.zip : an external project based on Glut and using an AntTweakBar GUI.

Updated SofaQtExternal, the other external project.
TODO (by whom ?): add CmakeLists.txt files to these projects, in complement of the .pro files.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11302 b7f1a160-662a-0410-a6d8-bea165342f16
removed deallocation from task destructor

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11303 b7f1a160-662a-0410-a6d8-bea165342f16
image: fix output transform in MergeImages

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11304 b7f1a160-662a-0410-a6d8-bea165342f16