doc: Sync classref with current source

doc/classes/HSlider.xml

@@ -13,20 +13,14 @@
 	<constants>
 	</constants>
 	<theme_items>
-		<theme_item name="focus" type="StyleBox">
-		</theme_item>
 		<theme_item name="grabber" type="Texture">
 		</theme_item>
 		<theme_item name="grabber_area" type="StyleBox">
 		</theme_item>
 		<theme_item name="grabber_disabled" type="Texture">
 		</theme_item>
-		<theme_item name="grabber_disabled" type="StyleBox">
-		</theme_item>
 		<theme_item name="grabber_highlight" type="Texture">
 		</theme_item>
-		<theme_item name="grabber_highlight" type="StyleBox">
-		</theme_item>
 		<theme_item name="slider" type="StyleBox">
 		</theme_item>
 		<theme_item name="tick" type="Texture">

doc/classes/PhysicalBone.xml

@@ -7,6 +7,24 @@
 	<tutorials>
 	</tutorials>
 	<methods>
+		<method name="apply_central_impulse">
+			<return type="void">
+			</return>
+			<argument index="0" name="impulse" type="Vector3">
+			</argument>
+			<description>
+			</description>
+		</method>
+		<method name="apply_impulse">
+			<return type="void">
+			</return>
+			<argument index="0" name="position" type="Vector3">
+			</argument>
+			<argument index="1" name="impulse" type="Vector3">
+			</argument>
+			<description>
+			</description>
+		</method>
 		<method name="get_bone_id" qualifiers="const">
 			<return type="int">
 			</return>

doc/classes/ProjectSettings.xml

@@ -401,6 +401,9 @@
 		<member name="display/window/handheld/orientation" type="String" setter="" getter="" default="&quot;landscape&quot;">
 			Default orientation on mobile devices.
 		</member>
+		<member name="display/window/ios/hide_home_indicator" type="bool" setter="" getter="" default="true">
+			If [code]true[/code], the home indicator is hidden automatically. This only affects iOS devices without a physical home button.
+		</member>
 		<member name="display/window/per_pixel_transparency/allowed" type="bool" setter="" getter="" default="false">
 			If [code]true[/code], allows per-pixel transparency in a desktop window. This affects performance, so leave it on [code]false[/code] unless you need it.
 		</member>
@@ -437,9 +440,6 @@
 		<member name="display/window/vsync/vsync_via_compositor" type="bool" setter="" getter="" default="false">
 			If [code]Use Vsync[/code] is enabled and this setting is [code]true[/code], enables vertical synchronization via the operating system's window compositor when in windowed mode and the compositor is enabled. This will prevent stutter in certain situations. (Windows only.)
 		</member>
-		<member name="display/window/ios/hide_home_indicator" type="bool" setter="" getter="" default="true">
-			If [code]true[/code], the home indicator is hidden automatically. This only affects iOS devices without a physical home button.
-		</member>
 		<member name="editor/script_templates_search_path" type="String" setter="" getter="" default="&quot;res://script_templates&quot;">
 		</member>
 		<member name="editor/search_in_file_extensions" type="PoolStringArray" setter="" getter="" default="PoolStringArray( &quot;gd&quot;, &quot;shader&quot; )">

doc/classes/VSlider.xml

@@ -17,20 +17,14 @@
 	<constants>
 	</constants>
 	<theme_items>
-		<theme_item name="focus" type="StyleBox">
-		</theme_item>
 		<theme_item name="grabber" type="Texture">
 		</theme_item>
 		<theme_item name="grabber_area" type="StyleBox">
 		</theme_item>
 		<theme_item name="grabber_disabled" type="Texture">
 		</theme_item>
-		<theme_item name="grabber_disabled" type="StyleBox">
-		</theme_item>
 		<theme_item name="grabber_highlight" type="Texture">
 		</theme_item>
-		<theme_item name="grabber_highlight" type="StyleBox">
-		</theme_item>
 		<theme_item name="slider" type="StyleBox">
 		</theme_item>
 		<theme_item name="tick" type="Texture">

doc/classes/Viewport.xml

@@ -305,18 +305,18 @@
 		</member>
 	</members>
 	<signals>
-		<signal name="size_changed">
-			<description>
-				Emitted when the size of the viewport is changed, whether by [method set_size_override], resize of window, or some other means.
-			</description>
-		</signal>
 		<signal name="gui_focus_changed">
-			<argument index="0" name="control" type="Control">
+			<argument index="0" name="node" type="Control">
 			</argument>
 			<description>
 				Emitted when a Control node grabs keyboard focus.
 			</description>
 		</signal>
+		<signal name="size_changed">
+			<description>
+				Emitted when the size of the viewport is changed, whether by [method set_size_override], resize of window, or some other means.
+			</description>
+		</signal>
 	</signals>
 	<constants>
 		<constant name="UPDATE_DISABLED" value="0" enum="UpdateMode">