Thomas Heijligen

Update the build system (2)

3

This is the revised update to #44. The changes are now done in smaller, individual commits. Each can be reviewed independent, but they form a relation chain. The complete PR...

## Description Migrate the thumbnails service from the [govips](https://github.com/davidbyttow/govips) to the [vipsgen](https://github.com/cshum/vipsgen) binding. This is recommended by govips and enables the creation of additional file types. It is markes as...