Let LogsController use the Log model explicitly to prevent problems with the controller test
Upgrade LogsControllerTest to 2.x style

Also prevents flash messages leaking through
Remove superfluous test suite file
CS & DocBloc fixes
Rename database_log.php.example to database_log.php again
Add file header DocBlock
Improve DocBlocks
Correct DocBlock statement
Fix travis by adjust default config setup
Improve assertion

Refs https://github.com/dereuromark/CakePHP-DatabaseLog/pull/6/files#r21189560
Improve assertions
Merge pull request #6 from ravage84/controller-test-improved

Controller test improved, CS & DocBlock fixes