Fix Mapping Guide Error

The mapping guide showed that the openstack command for tokek-get
issue token. It should have been token issue.

Change-Id: I233d45ab0f4229caa9a725c931f11b3374270822
Closes-Bug: 1696246

Author: phil-hopkins-a

doc/source/data/keystone.csv

@@ -21,7 +21,7 @@ tenant-delete,project delete,Delete tenant.
 tenant-get,proejct show,Display tenant details.
 tenant-list,project list,List all tenants.
 tenant-update,project set,"Update tenant name, description, enabled status."
-token-get,issue token,Display the current user token.
+token-get,token issue,Display the current user token.
 user-create,user create,Create new user.
 user-delete,user delete,Delete user.
 user-get,user show,Display user details.
@@ -34,4 +34,4 @@ user-update,user set,"Update user's name, email, and enabled status."
 discover,WONTFIX,"Discover Keystone servers, supported API versions and extensions."
 bootstrap,WONTFIX,"Grants a new role to a new user on a new tenant, after creating each."
 bash-completion,complete,Prints all of the commands and options to stdout.
-help,help,Display help about this program or one of its subcommands.
+help,help,Display help about this program or one of its subcommands.