Removed extra n from the word "connection"

Removed extra n from the word "connection" in "Attempting SSH connection" in logger call.
Merge pull request #4120 from jdmulloy/fix_ssh_typo

Removed extra n from the word "connection"
Fix spelling of Chef Solo, Chef Client, and Chef Server in website docs
Merge pull request #4126 from mitchellh/chef-server-grammar-fixes

Fix spelling of Chef Solo, Chef Client, and Chef Server in website docs