Version 4.2.0 (2019/02/22)

This is a developing version, an unstable version.

It needs the following packages:

- GVFB: `gvfb-1.2.4.tar.gz`
- mGEff component: `libmgeff-1.4.0.tar.gz`
- The resource package: `minigui-res-4.0.0.tar.gz`
- The test cases package: `mg-tests-4.2.0.tar.gz`
- The sample package: `mg-samples-4.2.0.tar.gz`