Return control to capitano at the end of the ssh command

Signed-off-by: Juan Cruz Viotti <jviottidc@gmail.com>

build/actions/ssh.js

@@ -80,7 +80,7 @@ limitations under the License.
             stdio: 'inherit'
           });
         });
-      });
+      }).nodeify(done);
     }
   };
 

lib/actions/ssh.coffee

@@ -75,3 +75,4 @@ module.exports =
 				subShellCommand = getSubShellCommand(command)
 				spawn = child_process.spawn subShellCommand.program, subShellCommand.args,
 					stdio: 'inherit'
+		.nodeify(done)