git clean ignored files
Merge pull request #48 from giggsey/patch-1

Clean up ignored files when fetching
Add support for git fetch/clone and timeout options. Added VERSION file
use repo url for git fetch ro prevent error after repo rename
Use checkout ref instead branch for clone
Version 4.0.0
fix typo
Merge pull request #52 from lodagro/patch-1

fix typo
Improve git fetch for runner
Merge branch 'master' of github.com:gitlabhq/gitlab-ci-runner
Speed up the Ruby build
Merge branch 'docker_ruby_configure' of /home/git/repositories/gitlab/gitlab-ci-runner