Polish addresses, personal identity number and pesel number generator
added comments and linked sources; use \Faker\Provider\DateTime::dateTimeThisCentury() for brithdate; added taxpayerIdentificationNumber()
Polish REGON number for companies, bank name and bank account number (IBAN)
copied Company.bankAccountNumber method to base Company class; updated readme with an example
regon in Company
Merge branch 'polish_personal_number_and_address' of github.com:nineinchnick/Faker into polish_personal_number_and_address

Conflicts:
	src/Faker/Provider/pl_PL/Company.php
reverted previous commit
restored Company.php deleted by mistake
Merge pull request #175 from nineinchnick/polish_personal_number_and_address

Polish addresses, personal identity number and pesel number generator