Over carbonated IPA

I recently made an IPA that is way carbonated. If I open a bottle and set it on the counter, it will eventually snake out the top and down the sides of the bottle. If I manage to pour a whole glass, it still has a very carbonated mouth feel. I have had several people in my homebrew club taste it and everyone agrees it tastes fine – nice and clean.
It was a Brewer’s Best extract kit with specialty grains steeped in. After the 60 minute boil, I poured through a strainer to a plastic bucket for primary fermentation. OG=1.06. After 2 weeks I transferred to a glass carboy for 2 weeks of secondary fermentation before bottling (at least another 2 weeks). FG=1.018. I re-hydrated the dry yeast.
Any help is appreciated.

 

I've noticed with a few of the kits the priming sugar measurements are a little inconsistent. There's a big difference IMO between 5.5oz and 5oz when it comes time to drinking.
Also since I've switched to using beersmith I've noticed generally lower amounts of priming sugar recommended vs kit instructions.