Change return code and command said log.info

Changes return code and command said to log.info in
manage-projects. This increases the level of output
for the verbose flag which was changed to the info
level in https://review.openstack.org/#/c/74118

Change-Id: I04929bd084dad0d1e65987182be1c7959fb9b242
Merge "Change return code and command said log.info"