Merge tag '0.6.0-beta.8' into develop

pallet-lein-0.6.0-beta.8
Updated version for next release cycle
Update pallet and pallet-vmfest

Update to pallet 0.8.0-beta.7, and pallet-vmfest 0.3.0-alpha.3
Fix :root key in project map
Updated project.clj, release notes and readme for 0.6.0-beta.9
Merge branch 'release/0.6.0-beta.9'