Merge tag 'java-0.8.0-beta.5' into develop

java-0.8.0-beta.5
Updated version for next release cycle
Add pallet-lein plugin to dev profile
Update default java version for ubuntu 10 to 12
Add :default-phases to the server-spec
Update to pallet-0.8.0-RC.4
Updated metadata for 0.8.0-beta.6
Updated project.clj, release notes and readme for 0.8.0-beta.6
Merge branch 'release/0.8.0-beta.6'