Fix default_spec run

Partial revert of 9d2dce20baf902870c5cb23f257dfe783dd41434
Remove wrong comment
openid fix
it_should_behave_like 'an apache2 module' refactor for reuse parent context instead create a new set of platform/version context
Fix indentation
Change Travis-Run balance.

Due last changes now the tests run more faster so require less groups
Optimize default_spec time to run

Cache node converged for all it in same context
Run tests in a single thread for improve coverage report
Merge pull request #278 from Maks3w/hotfix/fix-test-run

Fix test run and optimize run time