builders/amazon: increase SSH timeouts for Amazon builders

website: Update googlecompute.markdown

A very small hint that you can't just use "packer-images", since buckets need to be globally unique, and must already exist. Attempting to use that results in the error 'Got status 403 from attempt to start resumable upload. Aborting', 'ABORT'

website: update URL for ansible local-playbooks in docs

The old URL wasn't available anymore and returned a 404

Add puppet server provisioner

adding chef-client provisioner

VMWare Workstation 10 driver for Linux

builder/amazon: Fix S3 endpoint URL for instance-store builds

The S3 endpoint URLs don't always include the region name. See:

    http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region

This mapping is already provided by `goamz` via `region.S3Endpoint`,
so let's use it.