doctrine mapping
implemented installation and update
::isInstalled(), getNewBank()
getMainAgency()
getAgenciesForBank()
getAllBanks()
getBICAgencies()
index on bic
MetaData  and last modified
harmonized PDO backend with ORM backend
fix some methods
fix orm update
added license
clarified method signature
removed unused use
added doctrine into backend test
add doctrine/orm into README
call em->clear() after uninstall()
changelog
fixed backend test