Rename WebUI content files

src/webui/www/private/scripts/client.js

@@ -868,7 +868,7 @@ window.addEvent('load', function() {
             bottom: 0,
             left: 0
         },
-        contentURL: 'properties_content.html',
+        contentURL: 'properties.html',
         require: {
             css: ['css/Tabs.css', 'css/dynamicTable.css'],
             js: ['scripts/prop-general.js', 'scripts/prop-trackers.js', 'scripts/prop-peers.js', 'scripts/prop-webseeds.js', 'scripts/prop-files.js'],

src/webui/www/private/scripts/mocha-init.js

@@ -169,7 +169,7 @@ const initializeWindows = function() {
             title: "QBT_TR(Options)QBT_TR[CONTEXT=OptionsDialog]",
             loadMethod: 'xhr',
             toolbar: true,
-            contentURL: 'preferences_content.html',
+            contentURL: 'preferences.html',
             require: {
                 css: ['css/Tabs.css']
             },

src/webui/www/webui.qrc

@@ -21,9 +21,9 @@
         <file>private/newcategory.html</file>
         <file>private/newtag.html</file>
         <file>private/preferencesToolbar.html</file>
-        <file>private/preferences_content.html</file>
+        <file>private/preferences.html</file>
         <file>private/propertiesToolbar.html</file>
-        <file>private/properties_content.html</file>
+        <file>private/properties.html</file>
         <file>private/rename.html</file>
         <file>private/search.html</file>
         <file>private/searchplugins.html</file>