Changed ValidatorUSState to conform to the standard Doctrine_Validator_* naming scheme and removed the old style from Doctrine_Validator

removing the closing PHP tags form all php files, it\'s not needed and can break sessions which are whitespace sensitive

Many-to-Many relation fetching, fatal proxy state bug fixed, fatal loaded identity map + multiple component fetching bug fixed

require_once bug fix

Many-to-Many alias bug fixed

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