Add some dependencies required by toci

TripleO CI scripts require both os-apply-config and gear.

Change-Id: I9535c124bbf383bb2b7b01dbc7d17a0a7ceae269
Enable precise-backports on tripleo test nodes

This is needed so we can install jq.

Change-Id: I251892459b8bd30ff2e64dff5f8c151405694a1d
Merge "Add some dependencies required by toci"
Merge "Enable precise-backports on tripleo test nodes"