While not immediately useful for fecthing the configuration, this is
basically a version information about the configuration currently loaded
from etcd. A typical use-case for this index is monitoring the freshness
of the configuration across a cluster of servers.
Bug: T182597
Change-Id: I58189d36a5b620fb44323bae87257f085a64386e
Allowing slashes in config key names allows us to trivially support the
proposed hierarchical structure with a single EtcdConfig object, by
fetching values with the relevant prefixes on startup.
Bug: T156924
Change-Id: Ica0914e61baba9c0462481925be15d79b66dc342
- mostly auto fixes
- some too long lines fixed
- ignore amp space in one case passing by reference
Change-Id: I6472f83bc3cbf4bd629d83050cc3319b19ec465c