Merge branch 'release/java-0.8.0-alpha.2' into develop
Update for pallet 0.8.0-alpha.9
Update for pallet 0.8.0-beta.1

Replace symbols in function position with strings, in stevedore expressions.
Use leiningen instead of maven

Moves the crate build to leiningen.  Adds a release script and a logback
configuration.
Updated project.clj, release notes and readme for 0.8.0-beta.1
Merge branch 'release/0.8.0-beta.1'