Looks like there was an attempt on this:

https://github.com/stackforge/cookbook-openstack-dashboard/commit/8642691b07b2a0eb6430d2da9668db8826c09fa7

Following instructions:

https://github.com/stackforge/openstack-chef-repo/blob/master/README.md#checkout-cookbooks

I can confirm on 14.04.1 this is not working:

$ /opt/chef/embedded/bin/berks vendor ./cookbooks
Resolving cookbook dependencies...
Fetching 'ceph' from git://github.com/stackforge/cookbook-ceph.git (at master)
Fetching 'openstack-block-storage' from git://github.com/stackforge/cookbook-openstack-block-storage.git (at master)
Fetching 'openstack-common' from git://github.com/stackforge/cookbook-openstack-common.git (at master)
Fetching 'openstack-compute' from git://github.com/stackforge/cookbook-openstack-compute.git (at master)
Fetching 'openstack-dashboard' from git://github.com/stackforge/cookbook-openstack-dashboard.git (at master)
Fetching 'openstack-identity' from git://github.com/stackforge/cookbook-openstack-identity.git (at master)
Fetching 'openstack-image' from git://github.com/stackforge/cookbook-openstack-image.git (at master)
Fetching 'openstack-network' from git://github.com/stackforge/cookbook-openstack-network.git (at master)
Fetching 'openstack-object-storage' from git://github.com/stackforge/cookbook-openstack-object-storage.git (at master)
Fetching 'openstack-ops-database' from git://github.com/stackforge/cookbook-openstack-ops-database.git (at master)
Fetching 'openstack-ops-messaging' from git://github.com/stackforge/cookbook-openstack-ops-messaging.git (at master)
Fetching 'openstack-orchestration' from git://github.com/stackforge/cookbook-openstack-orchestration.git (at master)
Fetching 'openstack-telemetry' from git://github.com/stackforge/cookbook-openstack-telemetry.git (at master)
Fetching 'statsd' from git://github.com/att-cloud/cookbook-statsd.git (at master)
Fetching cookbook index from https://supermarket.getchef.com...
Unable to satisfy constraints on package apache2 due to solution constraint (openstack-dashboard = 10.0.0). Solution constraints that may result in a constraint on apache2: [(apache2 = 1.9.6)], [(ceph = 0.2.2) -> (apache2 >= 1.1.12)], [(openstack-dashboard = 10.0.0) -> (apache2 ~> 3.0)], [(openstack-object-storage = 10.0.0) -> (statsd = 0.1.6) -> (git = 0.7.0) -> (apache2 >= 0.0.0)], [(statsd = 0.1.6) -> (git = 0.7.0) -> (apache2 >= 0.0.0)]
Demand that cannot be met: (openstack-dashboard = 10.0.0)
Artifacts for which there are conflicting dependencies: apache2 = 1.11.0 -> [(iptables >= 0.0.0), (logrotate >= 0.0.0), (pacman >= 0.0.0), (freebsd >= 0.0.0)]Unable to find a solution for demands: apache2 (= 1.9.6), apt (= 2.3.8), aws (= 2.1.1), build-essential (= 1.4.2), ceph (0.2.2), database (= 2.2.0), erlang (= 1.4.2), memcached (= 1.7.2), mysql (= 5.4.4), mysql-chef_gem (= 0.0.4), openssl (= 1.1.0), openstack-block-storage (10.0.1), openstack-common (10.2.0), openstack-compute (10.0.0), openstack-dashboard (10.0.0), openstack-identity (10.0.1), openstack-image (10.1.0), openstack-network (10.1.0), openstack-object-storage (10.0.0), openstack-ops-database (10.0.0), openstack-ops-messaging (10.0.1), openstack-orchestration (10.0.0), openstack-telemetry (10.0.1), postgresql (= 3.3.4), python (= 1.4.6), rabbitmq (= 3.0.4), selinux (= 0.7.2), statsd (0.1.6), xfs (= 1.1.0), yum (= 3.1.4), yum-epel (= 0.3.4)