js: Conform with jQuery JavaScript Style Guide

* Update JSHint configuration and enforce new rules
  (mostly quote marks and removing unused variables).

* Whitespace (no space after last object/function argument,
  no space after "function" operator in anonymous functions).

* Remove dates from @author.

Ref #289

.jshintrc

@@ -1,21 +1,27 @@
 {
-	"predef": [
-		"SWARM"
-	],
+    "boss": true,
+    "curly": true,
+    "eqeqeq": true,
+    "eqnull": true,
+    "expr": true,
+    "immed": true,
+    "noarg": true,
+    "onevar": true,
+    "quotmark": "double",
+    "smarttabs": true,
+    "trailing": true,
+    "undef": true,
+    "unused": true,
 
-	"bitwise": true,
-	"curly": true,
-	"eqeqeq": true,
-	"immed": true,
-	"latedef": true,
-	"newcap": true,
-	"noarg": true,
-	"noempty": true,
-	"undef": true,
-	"trailing": true,
+    "bitwise": true,
+    "browser": true,
+    "es3": true,
+    "latedef": true,
+    "newcap": true,
+    "noempty": true,
 
-	"smarttabs": true,
-
-	"browser": true,
-	"jquery": true
+    "predef": [
+        "SWARM",
+        "jQuery"
+    ]
 }

js/addjob.js

@@ -1,42 +1,41 @@
 /**
  * JavaScript file for the "addjob" page.
  *
- * @author Timo Tijhof, 2012
+ * @author Timo Tijhof
  * @since 1.0.0
  * @package TestSwarm
  */
-jQuery(function ( $ ) {
-	var $runsContainer, $addRunBtn, $runFieldsetClean, cnt;
+jQuery(function( $ ) {
+	var $addRunBtn,
+		$runsContainer = $( "#runs-container" ),
+		$runFieldsetClean = $runsContainer.children( "fieldset" ).eq( 0 ).clone().detach(),
+		cnt = $runsContainer.children( "fieldset" ).length;
 
-	$runsContainer = $('#runs-container');
-	$runFieldsetClean = $runsContainer.children('fieldset').eq(0).clone().detach();
-	cnt = $runsContainer.children('fieldset').length;
-
-	$addRunBtn = $('<button>')
-		.text('+ Run')
-		.addClass('btn')
+	$addRunBtn = $( "<button>" )
+		.text( "+ Run" )
+		.addClass( "btn" )
 		.click(function ( e ) {
 			e.preventDefault();
 
 			cnt += 1;
 
 			function fixNum( i, val ) {
-				return val.replace( '1', cnt );
+				return val.replace( "1", cnt );
 			}
 
 			$addRunBtn.before(
 				$runFieldsetClean.clone()
-					.find('input').val('')
+					.find( "input" ).val( "" )
 					.end()
-					.find('[for*="1"]').attr('for', fixNum)
+					.find( "[for*='1']" ).attr( "for", fixNum )
 					.end()
-					.find('[id*="1"]').attr('id', fixNum)
+					.find( "[id*='1']" ).attr( "id", fixNum )
 					.end()
-					.find('legend').text(fixNum)
+					.find( "legend" ).text( fixNum )
 					.end()
 			);
 		})
-		.appendTo('<div class="form-actions"></div>')
+		.appendTo( "<div class='form-actions'></div>" )
 		.parent();
 
 	$runsContainer.append( $addRunBtn );