Remove SSL code (it is moving to jvm-certificate-authority)
Merge pull request #40 from cprice404/maint/master/PE-3442-remove-ssl-code

Remove SSL code (it is moving to jvm-certificate-authority)
Update CHANGELOG for 0.6.0 release
Add link to jvm-ca project in CHANGELOG
lein-release plugin: preparing 0.6.0 release
lein-release plugin: bumped version from 0.6.0 to 0.6.1-SNAPSHOT for next development cycle
Add CONTRIBUTING.md