Merge pull request sideeffects#7 from sideeffects/VAT_UI_Updates

[UPDATE] UI Updates for the *Vertex Animation Texture* ROP should improve usability.

[BUGFIX] Fixed *Calculate Occlusion* Cd output toggle. Was inverted o…

…n accident few releases ago.

[UPDATE] *Impostor Texture* demoscene has been updated to use the lat…

…est settings for an animation impostor.

[NEWTOOL] Added *Triplanar Displace* sop thanks to community contribu…

…tion from Magnus Larsson - @MagnusL3D. Also added ability to project a matching color texture.

[IGNORE] Fixed minor naming issue

[NEWTOOL] Added *Trim Texture* tool. This tool allows for interactive…

… UV editing based on a Trim Texture.

[UPDATE] Added a toggle to Remove Outside of Silhouette to *Extract S…

…ilhouette* tool.

[IGNORE] Updated the Labs introduction doc

[UPDATE] *BoxCutter* now allows the user to rotate copies around a pi…

…vot that can be manipulated.

[UPDATE] Updated *External Text Editor* plugin to 1.3.3 from CGTOOLBO…

…X - https://cgtoolbox.com/