[COOK-2000] Make mode of sshd_config a configurable option

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2517] Add hash support for ssh_config

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Fix README formatting
Merge branch 'master' of github.com:opscode-cookbooks/openssh
Fix the recipe to work correctly on FreeBSD.
Instead of testing for a nil package, just don't install any packages on FreeBSD.
Add FreeBSD support to README.md and metadata.rb
Merge branch 'fix-freebsd' into cdmaster

Conflicts:
	attributes/default.rb