Move osprofiler help message to the end of output
Move osprofiler help message to the end of output

Follow the convention of how osprofiler result is displayed in console.
Refer to implementation from nova
See https://github.com/openstack/python-novaclient/blob/master/novaclient/shell.py#L873

Change-Id: I946d634413e13e1861631a171ae2a939dbb9faa5
Implements: blueprint osprofiler-support

openstack/python-vitrageclient