Initate PR
Added docs
Update 5.Using the Authorization Service.md
Better example
Create groups of permission collections in provider
Moved the creation of permission groups into validator
Updated examples
Introduction better explained
List
Cleaned text
Removed comma
Steps
Doctrine2 ORM configuration link
Rewrite of Assertion and Provider description
Removed config in module.config.php solution
More detailed explantion for permission groups
Highlighted operator
Corrected if statement
Permission groups
typo