Merge pull request #2 from swarnat/master

add new Rules + Tests
Added new rule data from deutsche bundesbank
Removed outdated rule data
Added license information
Added docs
Added contributor
Fixed formating and cleaned up code
Fixed tests formating
Now using rules for 20130909
Added rule 004800
Added rule 004900
Fixed license information
Added rule 005000
Added rule 005200
Fixed exception message
Added rule 005300
Added rule 005400
Added todo tag
Fixed rules.php
Added instituteIdentification replacement with successor instituteIdentification