allow sending additional parameter to start zstack-dashboard service
allow sending additional parameter to start zstack-dashboard service

cloudcache/zstack-dashboard,cloudcache/zstack-dashboard,cloudcache/zstack-dashboard,boogunote/zstack-dashboard,zstackorg/zstack-dashboard,boogunote/zstack-dashboard,boogunote/zstack-dashboard,SoftwareKing/zstack-dashboard,SoftwareKing/zstack-dashboard,no2key/zstack-dashboard,zstackorg/zstack-dashboard,boogunote/zstack-dashboard,no2key/zstack-dashboard,boogunote/zstack-dashboard,cloudcache/zstack-dashboard,zstackorg/zstack-dashboard,SoftwareKing/zstack-dashboard,no2key/zstack-dashboard,cloudcache/zstack-dashboard,no2key/zstack-dashboard,zstackorg/zstack-dashboard,cloudcache/zstack-dashboard,SoftwareKing/zstack-dashboard,SoftwareKing/zstack-dashboard,SoftwareKing/zstack-dashboard,zstackorg/zstack-dashboard,no2key/zstack-dashboard,zstackorg/zstack-dashboard,no2key/zstack-dashboard,boogunote/zstack-dashboard