Added Code-Coverage with Coveralls

This account `juriansluiman` for project `SlmQueue`
(`juriansluiman/SlmQueue`) will need to be created on Coveralls.io
Removed Coveralls & added Scrutinizer Coverage
Added Scrutinizer code coverage badge to README
Update .scrutinizer.yml
Merge remote-tracking branch 'eddiejaoude/code-coverage'

Conflicts:
	.gitignore