Update group ID to com.palletops, remove pom.xml
Add dependency message on project file failure

When a task fails to load the projec pallet.clj file, output a message
that explains that a dependency needs to be added.
Add a lein release script
Remove dependency on CompilerException
Updated project.clj, release notes and readme for 0.8.0-beta.1
Update to latest stevedore
Merge branch 'release/0.8.0-beta.1'
Merge tag 'pallet-0.8.0-beta.1' into develop

pallet-0.8.0-beta.1
Updated version for next release cycle