Delete static Facade class and reader trait as they are incompatible with DI / IOC
add ReaderInterface
delete facade and reader trait tests
extract AnnotationsBagInterface
use Bag interface instead of  class in reader interface
necessary changes to parser and parser interface so that the same parser can parse multiple doc blocks
fix parseValue phpdoc
fix parser test
add getRules to ParserInterface
use Bag interface instead of class in reader interface
implement annotation Reader
document Reader class
unit test for Reader closes #37