gateone: fix unpackaged files

* fixes:
gateone-1.1: gateone: Files/directories were installed but not shipped
  /usr
  /usr/lib
  /usr/lib/python2.7
  /usr/lib/python2.7/site-packages
  /usr/lib/python2.7/site-packages/gateone-1.1-py2.7.egg-info

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>