Merge tag '0.8.0-alpha.1' into develop

haproxy-crate-0.8.0-alpha.1
Updated version for next release cycle
Fix use of frontend and backend configuration
Updated metadata for 0.8.0-alpha.2
Updated project.clj, release notes and readme for 0.8.0-alpha.2
Merge branch 'release/0.8.0-alpha.2'