Reformat the list of steps for using vagrant
Reformat the list of steps for using vagrant

This makes unnecesary to rename each element of the list with the
appropiate number. Using '1.' is enough.

SUSE/hackweek,SUSE/hackweek,hennevogel/hackweek,hennevogel/hackweek,hennevogel/hackweek,SUSE/hackweek