Delete coverage dir before running tests
Generate code coverage report in npm posttest script
Merge pull request #321 from jpbackman/report-coverage-in-posttest

Generate code coverage report in npm posttest script
Add lazy loaded directive example to demo project. Use separate gulp file for demo
Merge pull request #322 from hannu/directive-example

Add lazy loaded directive example to demo project. Use separated gulp file to run demo
Publish coverage report to coveralls only after a successful build