Fix broker id validation.
Merge branch 'fix_broker_id_validation'
Merge pull request #1 from wwajerowicz/fix_broker_id_validation

Fix broker id validation.
Merge branch 'master' of git:kafka-php
EDA-44: Started by organizing the scripts into sub-folders.
EDA-44: Applying php-cs-fixer to properly amend and standarize our code style.
EDA-44: Redesigned a bit the set of sample scripts, and updatd the README.md documentation.
EDA-44: Typo, replaced FLASE by FALSE.
EDA-44: Added a new optional parameter to the kafka message stream, + some code style amends.
EDA-44: Last changes to the scripts, as well as fixed some typos into MessageStream.
EDA-44: Finalised the tutorials of the README.md, having tested them with real code and checked they work.
Update README.md

Forgot the "-b" parameter for scripts.
EDA-44: Added some more parameters to the consumer daemon.
Merge branch 'EDA-44_improvements-for-php-scripts'
Merge branch 'master' into develop

Conflicts:
	src/Kafka/IMetadata.php
	src/Kafka/ProducerConnector.php
	src/Kafka/V07/Metadata.php
	tests/Kafka/V07/ProducerChannelTest.php