tests: used inline NEON
tests: added tests for classes excluded from autowiring
tests: improved debug mode test
Configurator::detectDebugMode: added support for secret in cookie
Configurator: fixed error when $_COOKIE['nette-debug'] contained array
added Configurator::COOKIE_SECRET
added missing dependencies
nette/robot-loader is now optional
.travis: added code checker
tests: removed useless php.ini files