(PE-3377) Use certificate-authority lib for ssl instead of KS
Merge pull request #3 from cprice404/maint/master/PE-3377-use-ca-lib-for-ssl

(PE-3377) Use certificate-authority lib for ssl instead of KS
Update CHANGELOG for 0.1.4 release
lein-release plugin: preparing 0.1.5 release
lein-release plugin: bumped version from 0.1.5 to 0.1.6-SNAPSHOT for next development cycle
Support SSLContext configured with only CA cert