fixes the bug with parents that should not be mandatory

git-svn-id: file:///svnroot/spoon/trunk/spoon-core@2401 b1f50995-73fd-43b8-8ca2-fbc405a04e82
fixes the counter-intuitive of getType().getSimpleName() for arrays (int[] should not return int)

git-svn-id: file:///svnroot/spoon/trunk/spoon-core@2402 b1f50995-73fd-43b8-8ca2-fbc405a04e82
Merge branch 'master' of github.com:INRIA/spoon