Update devstack Vagrantfile with latest box

vagrant/release/devstack/Vagrantfile

@@ -44,11 +44,15 @@ end
 # to a name and a file path, which are used for retrieving
 # a Vagrant box from the internet.
 openedx_releases = {
+  "open-release/ficus.master" => "ficus-devstack-2017-01-11", 
+  "open-release/ficus.1rc1" => "ficus-devstack-2017-01-11", 
   "ned/test-ficus.2" => "ned-test-ficus-devstack-2016-12-20",
+
   "open-release/eucalyptus.master" => "eucalyptus-devstack-2016-09-01",
   "open-release/eucalyptus.1rc2" => "eucalyptus-devstack-2016-08-19",
   "open-release/eucalyptus.1" => "eucalyptus-devstack-2016-08-19",
   "open-release/eucalyptus.2" => "eucalyptus-devstack-2016-09-01",
+
   "named-release/dogwood.rc" => "dogwood-devstack-2016-03-09",
   "named-release/dogwood.1" => "dogwood-devstack-2016-03-09",
   "named-release/dogwood.2" => "dogwood-devstack-2016-03-09",
@@ -57,13 +61,7 @@ openedx_releases = {
     :name => "dogwood-devstack-rc2", :file => "20151221-dogwood-devstack-rc2.box",
   },
   # Cypress is deprecated and unsupported
-  # "named-release/cypress" => {
-  #   :name => "cypress-devstack",
-  # },
   # Birch is deprecated and unsupported
-  # "named-release/birch.2" => {
-  #   :name => "birch-devstack-2", :file => "birch-2-devstack.box",
-  # },
 }
 openedx_releases.default = "eucalyptus-devstack-2016-09-01"