Merge tag '0.2.0' into develop

alembic-0.2.0
Updated version for next release cycle
README tweaks
Respect verbose flag in distill
Add support for downloads via proxy

Adds a :proxy option to load-project and distill.

If no proxy is specified, the proxy settings are defaulted from
environment variables, in the same way as leiningen does.
Add travis configuration
Updated project.clj, release notes and readme for 0.2.1
Merge branch 'release/0.2.1'