Add missing nova-novncproxy to tarballs

Fix setup.py to include bin/nova-novncproxy in generated tarballs.
Fixes bug 1018829.

Change-Id: Iad2aa32602224e15bb879f81a13b764fc09d9c67

setup.py

@@ -88,6 +88,7 @@ def find_data_files(destdir, srcdir):
                'bin/nova-instance-usage-audit',
                'bin/nova-manage',
                'bin/nova-network',
+               'bin/nova-novncproxy',
                'bin/nova-objectstore',
                'bin/nova-rootwrap',
                'bin/nova-scheduler',