Remove trailing whitespace, add newlines at end of files

This results in less merge conflicts when using the
Text Editor > Files > Trim Trailing Whitespace editor setting.

.ptex, .mmg and .json files generated weren't modified
as these are saved by Material Maker. These files could be made
to end with a newline automatically on save in a future commit.

README.md

@@ -5,4 +5,3 @@ Its user interface is based on Godot's GraphEditor: textures are described as in
 More details in the [user manual](https://rodzill4.github.io/godot-procedural-textures/doc/).
 
 ![Screenshot](addons/material_maker/doc/images/screenshot.png)
-

addons/material_maker/doc/intro.rst

@@ -20,4 +20,3 @@ as the image generator and convolution filters (blur, emboss, normal map generat
 the resolution of their output.
 
 .. image:: images/screenshot.png
-

addons/material_maker/doc/node_comment.rst

@@ -5,4 +5,3 @@ The Comment node has no effect on the material and can be used to document
 it. Simply double-click on the contents to edit it.
 
 .. image:: images/node_comment.png
-

addons/material_maker/doc/node_export.rst

@@ -21,4 +21,3 @@ Parameters
 
 The Export node has a single parameter that defines the suffix PNG file
 that will be created.
-

addons/material_maker/doc/node_material.rst

@@ -49,4 +49,3 @@ The Material node has parameters:
 * The value of the ambient occlusion property of the material. The texture used for the ambient occlusion input is multiplied by this value.
 
 * The value of the depth property of the material. The input depth map is multiplied by this value.
-

addons/material_maker/doc/node_remote.rst

@@ -49,4 +49,3 @@ name for this configuration, and it will be added to the list.
 
 The drop-down list can be used to select a configuration, create new ones and
 update or delete the current configuration.
-

addons/material_maker/doc/node_switch.rst

@@ -23,4 +23,3 @@ Parameters
 The Switch node has a single parameter whose value can be 1 or 2.
 When the parameter is set to 1, A forwards A1 and B forwards B1.
 When the parameter is set to 2, A forwards A2 and B forwards B2.
-

addons/material_maker/doc/user_interface.rst

@@ -111,5 +111,3 @@ Help menu
   do not hesitate to use it to suggest improvements for Material Maker.
 
 * *About* Shows the about dialog.
-
-

addons/material_maker/engine/gen_base.gd

@@ -229,4 +229,3 @@ func deserialize(data : Dictionary) -> void:
 	else:
 		seed_locked = false
 	_post_load()
-

addons/material_maker/nodes/comment.gd

@@ -27,4 +27,3 @@ func _on_TextEdit_focus_exited() -> void:
 	generator.text = editor.text
 	label.visible = true
 	editor.visible = false
-

addons/material_maker/widgets/node_editor.tscn

@@ -183,5 +183,3 @@ caret_blink = false
 caret_blink_speed = 0.65
 caret_moving_by_right_click = true
 _sections_unfolded = [ "Size Flags" ]
-
-

addons/material_maker/widgets/node_editor/enum_editor.tscn

@@ -216,5 +216,3 @@ _sections_unfolded = [ "Rect" ]
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/OK" to="." method="_on_OK_pressed"]
 
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/Cancel" to="." method="queue_free"]
-
-

addons/material_maker/widgets/node_editor/parameter.gd

@@ -56,4 +56,3 @@ func _on_Type_item_selected(ID) -> void:
 		t.visible = true
 	else:
 		print(ID)
-

addons/material_maker/widgets/node_editor/parameter_color.tscn

@@ -44,5 +44,3 @@ align = 1
 color = Color( 1, 1, 1, 1 )
 edit_alpha = true
 _sections_unfolded = [ "Rect" ]
-
-

addons/material_maker/widgets/node_editor/parameter_enum.tscn

@@ -45,5 +45,3 @@ items = [  ]
 selected = -1
 
 [connection signal="item_selected" from="EnumValues" to="." method="_on_EnumValues_item_selected"]
-
-

addons/material_maker/widgets/text_dialog.tscn

@@ -143,5 +143,3 @@ _sections_unfolded = [ "Rect" ]
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/OK" to="." method="_on_OK_pressed"]
 
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/Cancel" to="." method="queue_free"]
-
-