devstack.install: Remove duplicate packages

      1 bridge-utils
      2 curl
      1 dnsmasq-base
      1 dnsmasq-utils
      1 ebtables
      1 euca2ools
      1 gawk
      1 gcc
      2 genisoimage
      2 git
      1 iptables
      1 iputils-arping
      1 iputils-ping
      1 kpartx
      1 libjs-jquery-tablesorter
      1 libldap2-dev
      1 libsasl2-dev
      1 libxml2-dev
      1 locate
      1 lsof
      2 lvm2
      1 msgpack-python
      1 nbd-client
      1 nodejs
      1 open-iscsi
      1 openssh-server
      1 openssl
      1 parted
      1 psmisc
      2 pylint
      1 python-anyjson
      1 python-beautifulsoup
      1 python-boto
      1 python-carrot
      1 python-cheetah
      1 python-cherrypy3
      1 python-cmd2
      1 python-coverage
      2 python-dateutil
      2 python-dev
      3 python-eventlet
      1 python-feedparser
      1 python-gflags
      3 python-greenlet
      2 python-iso8601
      3 python-kombu
      1 python-libxml2
      1 python-lockfile
      2 python-lxml
      1 python-m2crypto
      2 python-migrate
      2 python-mox
      2 python-mysqldb
      3 python-netaddr
      1 python-nose
      2 python-numpy
      3 python-paste
      4 python-pastedeploy
      1 python-pastescript
      1 python-pip
      1 python-pysqlite2
      1 python-qpid
      4 python-routes
      1 python-setuptools
      1 python-sphinx
      4 python-sqlalchemy
      1 python-suds
      1 python-tempita
      1 python-unittest2
      1 python-virtualenv
      2 python-webob
      1 python-wsgiref
      3 python-xattr
      1 qemu-utils
      1 screen
      1 sg3-utils
      1 socat
      2 sqlite3
      1 sudo
      1 sysfsutils
      1 tar
      1 tcpdump
      1 tgt
      1 unzip
      1 vim-nox
      1 vlan
      2 wget