Deletion of redundant codes in the code of 
EBImage_Utils
L3cross3d
filter
morphology
nextneighbour
segment
segment_EBImage 

Empty files have been removed then.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bioimagetools@117 edb9625f-4e0d-4859-8d74-9fd3b1da38cb