Made build-app tenant aware
Made build-app tenant aware

Change-Id: I4f67d834931490c95a019c5d399efc3ab913d9dc

devdattakulkarni/test-solum,devdattakulkarni/test-solum,ed-/solum,gilbertpilz/solum,ed-/solum,openstack/solum,gilbertpilz/solum,ed-/solum,gilbertpilz/solum,stackforge/solum,ed-/solum,openstack/solum,gilbertpilz/solum,stackforge/solum