* directory _support should exists before build with ignore inside
* added test for contact page availability
* added test for empty contact form submit
* added test for submit contact form
* remove test contact page
* delete old contact page test
* test index-test instead index
* change stage description
- Moved everything test-related into `tests` directory. Codeception tests are in `codeception`.
- Removed database module since we're using fixtures and migrations.
- Moved console entry points and bootstrap into `tests/codeception/bin`.
- Adjusted travis build scripts.
- Adjusted documentation to be consistent and reflect changes made.
