Initial updates for Packer Integration
add initial packer integration

remove sleep from script

update packer files

fix ansible login issue

add jenkins_home var to slave vars

add pre-install role to slave playbook

fix filenotfound errors for slave

add fix for ansible host
Integrate Packer to create images.
Update Vagrant and Ansible configurations for provisioning	 JenkinsMaster machine

Update host vars file with localhost IP

Create shared role containing a handler and vars for jenkins provisioning

Create playbook for installing common jenkins configs (slave + master configs)

Change task sequence for installing Ansible on vagrant machine

Create playbook for creating jenkins master machine

Remove pre-install playbook

update nodejs tasks to install latest stable version

Update Jenkins slave playbook

Remove plugins folder, resorting to dropox for downloading plugins with .hpi files

Update rally plugin configs to allow for installing from Dropbox
instead of using local machine files

Update jenkins master playbook with copy-files playbook

Remove creation of plugin folder on vagrant machine

Add task for copying Sauce Labs python script to Jenkins machine

Update comment to highlight recommendation for plugin installations

move most apt package installs to ansible

update pip package install - use variable for listing

move major pip packages to category lists to be installed via iteration

clean up roles

clean up anible-jenkins role

update conditional statement for nodejs

revert to old impl of nodejs tasks

remove ansible task from playbook

Rename Ansible role "post-install" to "post-install-master"

add redis to ansible playbook, make redis and postgres install conditional

add cleanups for pre-install role