Added VisualScript* descriptions

[ci skip]

doc/classes/VisualScriptComment.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualScriptComment" inherits="VisualScriptNode" category="Core" version="3.0.alpha.custom_build">
 	<brief_description>
-		A Visual Script node used to store information for the developer.
+		A Visual Script node used to annotate the script.
 	</brief_description>
 	<description>
-		A Visual Script node used to display text, so that code is more readable and better documented.
+		A Visual Script node used to display annotations in the script, so that code may be documented.
 		Comment nodes can be resized so they encompass a group of nodes.
 	</description>
 	<tutorials>
@@ -60,10 +60,10 @@
 			The text inside the comment node.
 		</member>
 		<member name="size" type="Vector2" setter="set_size" getter="get_size">
-			The size (in pixels) of the comment node.
+			The comment node's size (in pixels).
 		</member>
 		<member name="title" type="String" setter="set_title" getter="get_title">
-			The title of the comment node.
+			The comment node's title.
 		</member>
 	</members>
 	<constants>

doc/classes/VisualScriptCondition.xml

@@ -4,7 +4,14 @@
 		A Visual Script node which branches the flow.
 	</brief_description>
 	<description>
-		A Visual Script node which switches the flow based on a boolean. It acts similar to if/else in typical programming languages.
+		A Visual Script node that checks a [bool] input port. If [code]true[/code] it will exit via the “true” sequence port. If [code]false[/code] it will exit via the "false" sequence port. After exiting either, it exits via the “done” port. Sequence ports may be left disconnected.
+		[b]Input Ports:[/b]
+		- Sequence: [code]if (cond) is[/code]
+		- Data (boolean): [code]cond[/code]
+		[b]Output Ports:[/b]
+		- Sequence: [code]true[/code]
+		- Sequence: [code]false[/code]
+		- Sequence: [code]done[/code]
 	</description>
 	<tutorials>
 	</tutorials>

doc/classes/VisualScriptOperator.xml

@@ -3,6 +3,13 @@
 	<brief_description>
 	</brief_description>
 	<description>
+		[b]Input Ports:[/b]
+		- Data (variant): [code]A[/code]
+		- Data (variant): [code]B[/code]
+		[b]Output Ports:[/b]
+		- Sequence: [code]true[/code]
+		- Sequence: [code]false[/code]
+		- Sequence: [code]done[/code]
 	</description>
 	<tutorials>
 	</tutorials>

doc/classes/VisualScriptSceneNode.xml

@@ -1,8 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualScriptSceneNode" inherits="VisualScriptNode" category="Core" version="3.0.alpha.custom_build">
 	<brief_description>
+		Node reference.
 	</brief_description>
 	<description>
+		A direct reference to a node.
+		[b]Input Ports:[/b]
+		none
+		[b]Output Ports:[/b]
+		- Data: [code]node[/code] (obj)
 	</description>
 	<tutorials>
 	</tutorials>
@@ -26,6 +32,7 @@
 	</methods>
 	<members>
 		<member name="node_path" type="NodePath" setter="set_node_path" getter="get_node_path">
+			The node's path in the scene tree.
 		</member>
 	</members>
 	<constants>