Retrofit of upload logic

allow shallow hierarchy on /uploader

Group upsert

fixes #176

fix abort in base request handler
fix permissions when moving project

closes #175

closes #174

Bootstrap via http

Don't reference branches from within source. This allows core and testdata repo to move without breaking not up-to-date versions of core. Also allows branches to be fully merged.

Still a similar branch reference in bin/run.sh

Now supports API enabled bootstrapping.

requires #171

- run paster asynchronously
- improve mongo installation
- pull out mongo version

Stop using handler.abort in validators

create proxy route to elasticsearch

PR #170

raise exceptions instead (catched by base.RequestHandler.handle_exception)

closes #168

enable uploader to support non-uid uploads

return JSON responses for errors

closes #59

closes #158