* configure.ac: copyright notice is updated;
reuse and cfront subprojects are added.



git-svn-id: https://ejudge.ru/svn/ejudge/trunk/ejudge@7718 13e13086-cd15-0410-aeb9-89833061a40d


git-svn-id: https://ejudge.ru/svn/ejudge/trunk/ejudge@7719 13e13086-cd15-0410-aeb9-89833061a40d
initial revision

git-svn-id: https://ejudge.ru/svn/ejudge/trunk/ejudge@7720 13e13086-cd15-0410-aeb9-89833061a40d


git-svn-id: https://ejudge.ru/svn/ejudge/trunk/ejudge@7721 13e13086-cd15-0410-aeb9-89833061a40d