install desktop file, icons and manpage with install-linux target
update standards version, add vcs adresses
add uninstall-linux to phony
get the relative path via python instead of perl
remove python stuff from Makefile
remove "SED ?= sed" line from Makefile
standardize ifeqs
Merge pull request #303 from darealshinji/sb-trunk-oldxul

install desktop file, icons and manpage with install-linux target