Merge pull request #3 from norbjd/master

Update README.md with XFB_SCREEN_DPI.

Add screen DPI options (optional) for display.

Merge pull request #1 from denis-it/master

VNC_SCREEN env var renamed to XFB_SCREEN

readme updated

VNC_SCREEN env variable added

Formats headings to be shown nicely on DockerHub 2.0.

Writes stdout and stderr into log file. Otherwise some of the messages seem to get lost.

Adds some utils for analysing and debugging X11 Window system.

Fixes link to Story.md.

Adds section about docker-compose

Adds docker-compose section

References Story.md and provides example for calling docker run with this image

initial commit