Changes:
o accomodate for differing dependencies:
+ graphics/gifsicle as a bug workaround
+ devel/flim (this was an implicite dependency through devel/semi)
- devel/{apel,semi}, editors/mule-ucs contained in xemacs-packages
o conditional PLIST changes for differing installation paths
Tested with xemacs 21.4 and emacs 22