Fix all lib/ files with ESLint rules with 0 errors.

lib/units/device/plugins/shell.js

@@ -22,7 +22,11 @@ module.exports = syrup.serial()
         .timeout(10000)
         .then(function(stream) {
           var resolver = Promise.defer()
-            , timer
+          var timer
+
+          function forceStop() {
+            stream.end()
+          }
 
           function keepAliveListener(channel, message) {
             clearTimeout(timer)
@@ -51,10 +55,6 @@ module.exports = syrup.serial()
             resolver.reject(err)
           }
 
-          function forceStop() {
-            stream.end()
-          }
-
           stream.setEncoding('utf8')
 
           stream.on('readable', readableListener)