Adding node.js v6

Author: astrotars

.travis.yml

@@ -3,6 +3,7 @@ node_js:
   - "node"
   - "8"
   - "7"
+  - "6"
 env:
   - MONGOOSE_VERSION=4.11.8 STREAM_URL='https://key:[email protected]/?app_id=42'
 matrix:

src/backends/base.js

@@ -84,10 +84,7 @@ BaseBackend.prototype = {
 
 	enrichActivities: function(activities) {
 		// Return a Promise instead of using node style callbacks (_enrichActivities accepts one argument + callback)
-		return Promise.denodeify(this._enrichActivities, 1).call(
-			this,
-			activities,
-		);
+		return Promise.denodeify(this._enrichActivities, 1).call(this, activities);
 	},
 
 	_enrichActivities: function(activities, callback) {
@@ -111,10 +108,7 @@ BaseBackend.prototype = {
 
 	enrichAggregatedActivities: function(aggregatedActivities) {
 		// Return a Promise instead of using node style callbacks (_enrichAggregatedActivities accepts one argument + callback)
-		return Promise.denodeify(this._enrichAggregatedActivities, 1).call(
-			this,
-			aggregatedActivities,
-		);
+		return Promise.denodeify(this._enrichAggregatedActivities, 1).call(this, aggregatedActivities);
 	},
 
 	_enrichAggregatedActivities: function(aggregatedActivities, callback) {