- separated checking whether we are able to setup a new slide from executing it  -> allows jumps to be converted to slides (if adequate) without checking all conditions again
- separated checking whether we are able to setup a new slide from executing it
 -> allows jumps to be converted to slides (if adequate) without checking all conditions again

git-svn-id: 2a8bda7383c9ade639fce354bdc7f74a859303c9@1366 71766da9-9752-0410-ab17-bfafa751c56a

Eonblast/Scalaxis,Eonblast/Scalaxis,Eonblast/Scalaxis,Eonblast/Scalaxis,Eonblast/Scalaxis,Eonblast/Scalaxis