Updated examples

Fixed export templates path

Added SwapChannels node and documentation.

(last?) changes for 0.7

Fixed problems in Material Maker addon for Godot

Icon and settings taken from the project

Updated link to make it child of graph_edit control

Should fix problems under Linux

Fixed crash upon copy/paste of Material node

Doc: removed empty stuff in index

Minor changes for 0.2 tag

Shrinked panoramas