update dependencies for new charm package version
Merge pull request #125 from rogpeppe/057-update-deps

update dependencies for new charm package version

This makes many more existing bundles import correctly.
lppublish: publish charms first
remove unnecessary debugging messages
Merge pull request #126 from rogpeppe/056-charms-first

lppublish: publish charms first

Previously some charms could be uploaded after some bundles
because the upload process happens concurrently.
Add support for exporting mongoDB contents into elasticsearch