Fix #15
Merge pull request #16 from Javex/develop

Fix #15. Thanks for the prompt response...!
Linux: Removed dependency to openssl, added symlink from /usr/bin/.
AIX: Cleanup of unneeded files, added symbolic link from /usr/bin/.
AIX: Added README for AIX installation procedure.
Merge pull request #18 from aleibl/develop

Fixes 2013-12-09
Bumped version to 0.4.0
Fix: sscep is now showing the correct version number (0.4)