[CLOUDSTACK-6115] Investigate the use of TravisCI for CloudStack integration testing

(cherry picked from commit 26069aa3776ea4b634fb9d614062caa595bc0fa0)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Fix RAT issue

(cherry picked from commit b38d0b6b43a4eaab1c85a07739eda7a475ccb07f)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
apidoc: use non-harcoded path to client artifacts

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
schema: fix upgrade paths in the upgrade map of DatabaseUpgradeChecker

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>