Bump to 2.8.1
Add command-line support for jruby ssl

Need to parse keystore and keystore_pass in order to run an ssl server
on jruby.
Merge branch 'minissl' into minissl-looker
Merge tag 'v2.8.1' into minissl

Tagging v2.8.1.
Merge branch 'minissl' into minissl-looker