Update contributing for new code review workflow
Fix incorrect link syntax in CONTRIBUTING
[CHEF-2905] Error out loudly if neither wget nor curl found on chef-full bootstrap

If the system does not have wget or curl installed, the bootstrap script
silently skipped the omnibus installation and then failed when trying to
execute the missing chef-client.

So inform the user to install wget or curl and exit with an error code.
[CHEF-2905] Ensure wget is installed on CentOS bootstrap
[CHEF-3689] don't set private key from JSON when not present

ApiClient.json_parse would fail on a response from the server with
"private_key": false.

Also, make ApiClient.inspect a bit nicer
[CHEF-3689] register works when ApiClient returned from save
Merge branch 'CHEF-3689-10-stable' into 10-stable
Reload original knife config after knife functional tests.
Merge pull request #551 from opscode/knife-ssh-test-fix

Reload original knife config after knife functional tests.
10.18.0.rc.1
Stress tests randomly fail in Ci. Exclude them

...until someone has a chance to look at them in-depth and make them
more stable.

Conflicts:
	spec/spec_helper.rb
	spec/stress/win32/security_spec.rb
[CHEF-3597] Handle frozen strings in knife.rb chef_server_url var.
[CHEF-3632] All providers have whyrun enabled by default due to RemoteDirectory
[CHEF-3632] removed duplicated provider#whyrun_supported? method
CHEF-3672: Add Ruby 1.9 based Ubuntu 12.10 Gems bootstrap
CHEF-3721: Pin moneta to < breaking 0.7.0 rewrite
10.16.4.rc.1
10.16.4 release
Add version.rb files to .gitattributes

Ignore these files when merging because they're usually
just a change to the version.
Merge branch '10.16.4-release' into 10-stable