cnf: this is not a project that must be built

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: add build setup doc/svg

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: relative file URLs are relative to the root project

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: only create the export directory when there are runfiles

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: ignore downloaded build dependencies

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: remove bundle-to-bundle dependency, it's not there

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: show wrapper task separately

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gradle: the default task is now jar, which includes bundle

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>