Update package.json: add link to issue tracker, test command, maintainer, list contributors as hashes
Update package.json: add link to issue tracker, test command, maintainer, list contributors as hashes

beni55/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,Sannis/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient,beni55/node-mysql-libmysqlclient