Add a config property to containers called "propagated_properties".
All PUT updates to these properties will update all objects down
the hierarchy. Update requests that mix propagated_properties with
other properties will not currently be allowed, but modifying the logic
to only push the relevant properties of the payload down the hierarchy
tree is an option. Still to be done: proper permission and schema
validation.

Remove data bootstrapping; add folder reaping

- Entrypoint has new $PRE_RUNAS_CMD that allows running of root tasks before dropping privs.
- Added $SCITRAN_RUNTIME_PROTOCOL for explicit designation of http vs https.
- Updated README.md examples.
- No longer using requirements_dev.txt due to long install time.

Not happy with baking the pip requirement into the container. Need to think more.
Also, instructions in docker/README.md are broken.

Initialize Elasticsearch w/o connecting to Mongo

Retrofit of upload logic

closes #180

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