Initial checkin for building warehouse-apps.
Deploy containers with working copy of sources.
Merge branch '1579-keep-server-in-docker' of git.clinicalfuture.com:arvados into 1579-keep-server-in-docker

Rebasing 1579-keep-server-in-docker from 1578-api-server-in-docker
(which has much better Docker support to work from).
Build an arvados/warehouse container with locally checked out warehouse-apps
code.

The warehouse-apps repo at git://github.com/clinicalfuture/warehouse-apps.git
must be checked out at the same level as the arvados repo.
Add supervisor to start keepd when container is launched.
Update README with deploy instructions for Keep.
Add prerequisites for Keep server described in
https://github.com/clinicalfuture/warehouse-apps/blob/master/libwarehouse-perl/server/INSTALL
Install warehouse-apps into arvados/warehouse directly from github source.
Initial checkin for building warehouse-apps.
Build an arvados/warehouse container with locally checked out warehouse-apps
code.

The warehouse-apps repo at git://github.com/clinicalfuture/warehouse-apps.git
must be checked out at the same level as the arvados repo.
Add supervisor to start keepd when container is launched.
Update README with deploy instructions for Keep.
Add prerequisites for Keep server described in
https://github.com/clinicalfuture/warehouse-apps/blob/master/libwarehouse-perl/server/INSTALL
Install warehouse-apps into arvados/warehouse directly from github source.
Merge branch '1579-keep-server-in-docker' of git.clinicalfuture.com:arvados into 1579-keep-server-in-docker