[COOK-3453] - ssh_known_hosts cookbook ruby block executes on every chef run

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 1.2.0
Publish 1.2.0 Changelog
Version bump to 1.2.1 (for development)
[COOK-4489] Updated ssh-keyscan to include -t type

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 1.3.0
Publish 1.3.0 Changelog
Version bump to 1.3.1 (for development)
[COOK-4579] - Do not use ssh-keyscan stderr

Signed-off-by: Sean OMeara <someara@opscode.com>
Version bump to 1.3.2
Publish 1.3.2 Changelog
Version bump to 1.3.3 (for development)
Do not hash public keys [COOK-4607]

Hashes are different on each ssh-keyscan run, therefore filling up
/etc/ssh/ssh_known hosts
Merge remote-tracking branch 'upstream/master'

Conflicts:
	providers/entry.rb
Merge remote-tracking branch 'chr4/dont-hash'
Remove conditional no longer needed.