remove some unused variables and fix lint issues

src/Calendar.js

@@ -102,7 +102,6 @@ var Calendar = fc.Calendar = Class.extend({
 		var overridesChain = []; // for the view. lowest to highest priority
 		var viewType = requestedViewType;
 		var spec; // for the view
-		var defaults; // for the view
 		var overrides; // for the view
 		var duration;
 		var unit;

src/EventManager.js

@@ -30,8 +30,6 @@ function EventManager(options) { // assumed to be a calendar
 	
 	
 	// imports
-	var trigger = t.trigger;
-	var getView = t.getView;
 	var reportEvents = t.reportEvents;
 	
 	
@@ -41,7 +39,6 @@ function EventManager(options) { // assumed to be a calendar
 	var rangeStart, rangeEnd;
 	var currentFetchID = 0;
 	var pendingSourceCnt = 0;
-	var loadingLevel = 0;
 	var cache = []; // holds events that have already been expanded
 
 

src/common/View.js

@@ -274,12 +274,14 @@ var View = fc.View = Class.extend({
 		}
 
 		return this.clear().then(function() { // clear the content first (async)
-			return _this.displaying =
-				$.when(_this.displayView(date)) // displayView might return a promise
-					.then(function() {
-						_this.forceScroll(_this.computeInitialScroll(scrollState));
-						_this.triggerRender();
-					});
+			return (
+				_this.displaying =
+					$.when(_this.displayView(date)) // displayView might return a promise
+						.then(function() {
+							_this.forceScroll(_this.computeInitialScroll(scrollState));
+							_this.triggerRender();
+						})
+			);
 		});
 	},