-e is not supported on all architectures (Solaris) and -f is more
correct anyway.
Reported by Erik Modin <Erik.Moden@emw.ericsson.se>.
git-svn-id: https://svn.code.sf.net/p/jode/code/branches/branch_1_1@1309 379699f6-c40d-0410-875b-85095c16579e
Give reasonable error if both unzip and jar are missing.
Fixed swing skipping if it is missing.
git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1233 379699f6-c40d-0410-875b-85095c16579e