We love to hack our way to a good travel deal -- because quite frankly, it sometimes seems like the big companies are out to get us. But, fair traveler, this is not entirely so. Many corporations seem aimed at helping travelers achieve their dream trips in cost-effective ways, from phone plans to airline perks to hotel rewards programs. Here, five companies we think are making travel especially hassle-free. AT&T You could hack your phone, call a hotline and fight with your provider...