RWD theme: use jQuery via composer

.gitignore

@@ -23,6 +23,9 @@
 /app/etc/modules/Cm_RedisSession.xml
 /lib/Credis
 
+# jQuery library
+/js/lib/jquery/jquery*
+
 # TinyMCE library
 /js/lib/tinymce
 

app/code/core/Mage/Core/etc/config.xml

@@ -310,6 +310,9 @@
             <js>
                 <merge_files>0</merge_files>
             </js>
+            <jquery>
+                <migrate>0</migrate>
+            </jquery>
         </dev>
         <system>
             <csrf>

app/code/core/Mage/Core/etc/system.xml

@@ -724,6 +724,24 @@
                         </merge_css_files>
                     </fields>
                 </css>
+                <jquery translate="label">
+                    <label>jQuery Settings</label>
+                    <sort_order>120</sort_order>
+                    <show_in_default>1</show_in_default>
+                    <show_in_website>1</show_in_website>
+                    <show_in_store>1</show_in_store>
+                    <fields>
+                        <migrate translate="label">
+                            <label>Load jQuery-migration.js</label>
+                            <frontend_type>select</frontend_type>
+                            <source_model>adminhtml/system_config_source_yesno</source_model>
+                            <sort_order>10</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+                        </migrate>
+                    </fields>
+                </jquery>
             </groups>
         </dev>
         <general translate="label" module="core">

app/design/frontend/rwd/default/layout/page.xml

@@ -25,7 +25,10 @@
 
             <block type="page/html_head" name="head" as="head">
                 <action method="addJs"><script>prototype/prototype.js</script></action>
-                <action method="addJs"><script>lib/jquery/jquery-1.12.4.min.js</script></action>
+                <action method="addJs"><script>lib/jquery/jquery.min.js</script></action>
+                <action method="addJs" ifconfig="dev/jquery/migrate">
+                    <script>lib/jquery/jquery-migrate.min.js</script>
+                </action>
                 <action method="addJs"><script>lib/jquery/noconflict.js</script></action>
                 <action method="addJs"><script>lib/ccard.js</script></action>
                 <action method="addJs"><script>prototype/validation.js</script></action>

composer.json

@@ -26,6 +26,7 @@
         "ext-zlib": "*",
         "colinmollenhour/cache-backend-redis": "^1.14",
         "colinmollenhour/magento-redis-session": "^3.2.0",
+        "components/jquery": "1.12.4",
         "cweagans/composer-patches": "^1.7",
         "ezyang/htmlpurifier": "^4.17",
         "magento-hackathon/magento-composer-installer": "^3.1 || ^2.1 || ^4.0",