Updated vagrant pluin command in docs

updated to read "vagrant-hostmanager"
Adding nova::api to swiftcontroller

Without  { '::openstack::profile::nova::api': } included you
aren't able to log into the horizon dashboard :sadface:
Merge pull request #39 from tfhartmann/master

Updated vagrant pluin command in docs
Merge pull request #40 from tfhartmann/swiftcontroller

fix for Swiftcontroller dashboard login
Updates to support OpenStack Icehouse.

* Updated Puppetfile dependencies to support Icehouse on PE.
* Now pre-download modules to account for vagrant/fusion filesystem
inconsistencies.
* Added a script to side-load python 27 for CentOS 6.5 systems to allow
for Tempest testing.
* Added support for fwaas, lbaas, and metering.
* Updated shared networking and router config.
* Added interaction support for neutron/nova.
Merge pull request #42 from hogepodge/icehouse_patches

Updates to support OpenStack Icehouse.