Add osprofiler dep to guest image

To support the change of integrating osprofiler with Trove [0], We need
to make sure osprofiler lib are installed on the trove guest image.

[0] I580cce8d2b3c4ec9ce625ac09de6f14e1249f6f5

Change-Id: Id478178f93d3c014c14e709d20c153084d56104e
Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>
Add instructions for running int tests

The best instructions online are on the wiki and are out of date.
This moves the intructions into the README and corrects them.

Change-Id: If0500c73a6f10d03d043fec26078782ca4f42c0d
Closes-Bug: 1401232
Merge "Add instructions for running int tests"
Merge branch 'master' of https://github.com/openstack/trove-integration