[doc/puppetfile] Add command examples, expand documentation
[README] Reorder requirements and installation
[README] Add Usage section pointing to topical documentation
[README] Remove duplicated Puppetfile section
[doc/quickstart] Move into dynamic environments section
[doc/dynamic-environments] Update TOC
[doc/dynamic-environments] Extract Puppet master configuration
[README] Remove duplicate dynamic environment configuration

That was moved to doc/dynamic-environments/configuration.mkd
[README] extract Puppetfile environment variable docs
[README] add Getting Help section
[README] Remove duplicated common commands section

Deploy command documentation has been moved to
doc/dynamic-environments/usage
[README] Remove remaining environment docs in top level readme
Merge branch 'doc/master/refactor-readme'