Specify restart_command for SQL service
Specify restart_command for SQL service

Some changes might require SQL Service restart which is not doable yet,
because SQLAgent service depends on SQL Service.
Using the `-force` parameter of the `restart-service` powershell cmdlet
allow the restart of both services.

mahsoud/sql_server,jakimowicz/sql_server,chef-cookbooks/sql_server,criteo-forks/sql_server,opscode-cookbooks/sql_server,jakimowicz/sql_server,chef-cookbooks/sql_server,mahsoud/sql_server,opscode-cookbooks/sql_server,criteo-forks/sql_server