update knife.rb to support chef-server usage via hosted chef
[cloudformation] updates for chef-client w/ hosted chef
rename cookbooks dir to site-cookbooks
initial commit of dev, test, staging and prod environment files
update gitignore
update knife.rb for librarian and add Cheffile
[platform] bump cookbook version to 0.1.1
remove user and users cookbooks from site-cookbooks, manage play user in platform cookbook
remove platform::rubygems, users and user recipes from platform role
remove parameters and cfn-init files deprecated by chef-server implementation
remove newrelic cookbook and provide license keys in environment attributes
[cloudformation] remove test for chef installation, run chef-client from omnibus path
[cloudformation] remove cfn-init dev tools installation command

these were only needed for installing AWS gems, which we no longer
need since cloudformation handles ELB instance registration etc.
[librarian] add newrelic
add fog-prune to bundle and knife config
remove production, staging and base roles
set chef_repo_path in knife config so we can use "knife upload"
[librarian] use full paths so we can run knife from any subdirectory
Revert "remove production, staging and base roles"

This reverts commit 0dad803b813f46b47c19f4423b941aa8e925ef04.
Revert "remove user and users cookbooks from site-cookbooks, manage play user in platform cookbook"

This reverts commit a0ad6bad23f17a9aac81fbfd0fb5298ad14da866.