Improve error reporting from GIT clone
Fixed the Github repository URL in Dockerfile and README
Merge pull request #10 from mfojtik/repo_fixes

Fixed the Github repository URL in Dockerfile and README
Pull the remote Docker image in case it is not available locally
Merge pull request #7 from mfojtik/git_improv

Improve error reporting from GIT clone
Make 'docker run' the default build mode
Merge pull request #13 from pmorie/run

Make 'docker run' the default build mode
Merge pull request #11 from mfojtik/pull_image

Pull the remote Docker image in case it is not available locally