LIVEOAK-381 Add Checkstyle check to build
 - Modify filesystem, git, interceptor, client to conform to checkstyle
LIVEOAK-381 Add Checkstyle check to build
 - Modify mongo, mongo-gridfs, mongo-launcher to conform to checkstyle
LIVEOAK-381 Add Checkstyle check to build
 - Modify keycloak, security, security-aclpolicy, security-droolspolicy, security-uripolicy to conform to checkstyle
LIVEOAK-381 Add Checkstyle check to build
 - Modify scheduler, stomp to conform to checkstyle
LIVEOAK-381 Add Checkstyle check to build
 - Modify ups to conform to checkstyle
LIVEOAK-381 Add Checkstyle check to build
 - Modify wildfly to conform to checkstyle