PHPLIB-309: Remove jsMode default
PHPLIB-309: Remove jsMode default

derickr/mongo-php-library,10gen-labs/mongo-php-library-prototype,jmikola/mongo-php-library,mongodb/mongo-php-library,mongodb/mongo-php-library,derickr/mongo-php-library-prototype,jmikola/mongo-php-library,jmikola/mongo-php-library,derickr/mongo-php-library,mongodb/mongo-php-library,jmikola/mongo-php-library,mongodb-labs/mongo-php-library-prototype,mongodb/mongo-php-library,jmikola/mongo-php-library-prototype