Use `git config credential.helper 'store --file=/tmp/file' for `git push`#199

Ocramius merged 2 commits into1.14.xlaminas/automatic-releases:1.14.xfrom

fix/#198-use-git-internal-credential-store-for-authenticationlaminas/automatic-releases:fix/#198-use-git-internal-credential-store-for-authenticationCopy head branch name to clipboard