Fix some trailing whitespace grunt errors

js/module.js

@@ -27,7 +27,7 @@ var Module = Class.extend({
 	// visibility when hiding and showing module.
 	lockStrings: [],
 
-	// Storage of the nunjuck Environment, 
+	// Storage of the nunjuck Environment,
 	// This should not be referenced directly.
 	// Use the nunjucksEnvironment() to get it.
 	_nunjucksEnvironment: null,
@@ -156,7 +156,7 @@ var Module = Class.extend({
 	/** nunjucksEnvironment()
 	 * Returns the nunjucks environment for the current module.
 	 * The environment is checked in the _nunjucksEnvironment instance variable.
-	 * 
+
 	 * @returns Nunjucks Environment
 	 */
 	nunjucksEnvironment: function() {

modules/default/calendar/calendar.js

@@ -289,9 +289,9 @@ Module.register("calendar", {
 	 * This function accepts a number (either 12 or 24) and returns a moment.js LocaleSpecification with the
 	 * corresponding timeformat to be used in the calendar display. If no number is given (or otherwise invalid input)
 	 * it will a localeSpecification object with the system locale time format.
-	 * 
+	 *
 	 * @param {number} timeFormat Specifies either 12 or 24 hour time format
-	 * @returns {moment.LocaleSpecification} 
+	 * @returns {moment.LocaleSpecification}
 	 */
 	getLocaleSpecification: function(timeFormat) {
 		switch (timeFormat) {
@@ -430,7 +430,7 @@ Module.register("calendar", {
 
 	/**
 	 * Shortens a string if it's longer than maxLength and add a ellipsis to the end
-	 * 
+	 *
 	 * @param {string} string Text string to shorten
 	 * @param {number} maxLength The max length of the string
 	 * @param {boolean} wrapEvents Wrap the text after the line has reached maxLength

tests/e2e/without_modules.js

@@ -25,7 +25,7 @@ describe("Check configuration without modules", function () {
 	});
 
 	before(function () {
-		// Set config sample for use in test 
+		// Set config sample for use in test
 		process.env.MM_CONFIG_FILE = "tests/configs/without_modules.js";
 	});