Build: Put all AMD modules in "src/" in strict mode

Fixes jquerygh-3073

Author: mgol

src/.jshintrc

@@ -7,6 +7,7 @@
 	"immed": true,
 	"noarg": true,
 	"quotmark": "double",
+	"strict": true,
 	"undef": true,
 	"unused": true,
 

src/ajax.js

@@ -13,6 +13,8 @@ define( [
 	"./serialize" // jQuery.param
 ], function( jQuery, document, rnotwhite, location, nonce, rquery ) {
 
+"use strict";
+
 var
 	r20 = /%20/g,
 	rhash = /#.*$/,

src/ajax/jsonp.js

@@ -5,6 +5,8 @@ define( [
 	"../ajax"
 ], function( jQuery, nonce, rquery ) {
 
+"use strict";
+
 var oldCallbacks = [],
 	rjsonp = /(=)\?(?=&|$)|\?\?/;
 

src/ajax/load.js

@@ -7,6 +7,8 @@ define( [
 	"../selector"
 ], function( jQuery ) {
 
+"use strict";
+
 /**
  * Load a url into a page
  */

src/ajax/parseXML.js

@@ -2,6 +2,8 @@ define( [
 	"../core"
 ], function( jQuery ) {
 
+"use strict";
+
 // Cross-browser xml parsing
 jQuery.parseXML = function( data ) {
 	var xml;

src/ajax/script.js

@@ -4,6 +4,8 @@ define( [
 	"../ajax"
 ], function( jQuery, document ) {
 
+"use strict";
+
 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
 jQuery.ajaxPrefilter( function( s ) {
 	if ( s.crossDomain ) {

src/ajax/var/location.js

@@ -1,3 +1,5 @@
 define( function() {
+	"use strict";
+
 	return window.location;
 } );

src/ajax/var/nonce.js

@@ -1,5 +1,7 @@
 define( [
 	"../../core"
 ], function( jQuery ) {
+	"use strict";
+
 	return jQuery.now();
 } );

src/ajax/var/rquery.js

@@ -1,3 +1,5 @@
 define( function() {
+	"use strict";
+
 	return ( /\?/ );
 } );

src/ajax/xhr.js

@@ -4,6 +4,8 @@ define( [
 	"../ajax"
 ], function( jQuery, support ) {
 
+"use strict";
+
 jQuery.ajaxSettings.xhr = function() {
 	try {
 		return new window.XMLHttpRequest();