Configurator: config files that have section must be added with parameter Configurator::AUTO (BC break)
DI: added ContainerFactory
Configurator: uses DI\ContainerFactory (BC break)

Compiler::createLoader() and createCompiler() replaced with createContainerFactory()
DI\ContainerFactory: removed dependency on Nette\Caching and PhpFileStorage
Merge pull request #1465 from dg/pull-di-factory

SystemContainer generation moved from Configurator to DI\ContainerFactory