Removes node 1 filter and adds neighbor list report

Sets code up for release

Minor UI and Wiki enhancements.

- Adds `X (filled)` to Node Marker styles.

- Adds "About Matplotlib" to plugin menu.
- Fixes bug where charts wouldn't generate in Matplotlib 3.8 (shipping with Indigo 2023.2). Should still work for prior
  versions of Matplotlib.
- Code refinements.
- Moves Node Markers XML to template file.

Bumps version number

- Fixes bug where dummy testing data can override real data.

- Adds new marker styles.

Fixes legacy error for Indigo 2022.1

- Fixes broken link to readme logo.

- Fixes broken symlinks.

Syncronizes version numbers.