First version of bigquery backend.
Lot of TODOs. But it should be good enough for anyone who wants to try
it out. Marked experimental.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge remote-tracking branch 'upstream/master' into bigquery

	storagedriver.go

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Fix typo.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
add cadvisor binary to .gitignore

Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Make (memory) limits human readable (16.00PB v.s 16000000000MB)

Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Format fixes and small refactoring.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge remote-tracking branch 'upstream/master' into bigquery

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge pull request #195 from rjnagal/master

Add hot memory usage to memory graph.
split size and unit

Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Merge pull request #190 from rjnagal/bigquery

Initial version of bigquery backend.
Fix bug in influxdb storage driver initialization.
Merge pull request #196 from vishh/influxdb_batch_issue

Fix bug in influxdb storage driver initialization.
Update README.md for readability and typo fixes

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
Merge pull request #197 from rjnagal/bigquery

Update bigquery README.md for readability and typo fixes
Set 'time' column in InfluxDB driver to preserve precision of stats even while batching writes to the DB.
Merge pull request #201 from vishh/influxdb_batch_issue

Set 'time' column in InfluxDB driver
Adding --docekr_root to customize where Docker stores state.

Fixes #199
Merge pull request #204 from vmarmol/docker-root

Adding --docker_root to customize where Docker stores state.
Add a /healthz endpoint to cAdvisor.

Fixes #181
Make the duration of housekeeping flag configurable.