- 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.

https://getcomposer.org/doc/03-cli.md#require

Typo fix

Changed spaces to tabs

Fix path to config in readme

1. It results in much smaller download and takes less disk space (25MB instead of 180MB for yii-basic + dependencies).
2. It requires less utilities to be installed (no VCS binaries required).
3. It takes less time to install dependencies.

Usage:
init --env=Development
init --env=Production

added installation from dev repo section

added installation from dev repo section