fix(hammer): attach Hammer to window object
fix(hammer): attach Hammer to window object

Closes #696

AbraaoAlves/ionic,alan-agius4/ionic,jarrodkoch/ionic,janglednerves/ionic,jarrodkoch/ionic,AbraaoAlves/ionic,dennybiasiolli/ionic,joshesp/ionic,TillaTheHun0/ionic,joshesp/ionic,driftyco/ionic,cambronjay/ionic,manucorporat/ionic,jarrodkoch/ionic,alan-agius4/ionic,cambronjay/ionic,driftyco/ionic,alan-agius4/ionic,dennybiasiolli/ionic,jhlee8804/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,janglednerves/ionic,janglednerves/ionic,alan-agius4/ionic,cambronjay/ionic,driftyco/ionic,TillaTheHun0/ionic,cambronjay/ionic,jhlee8804/ionic,dennybiasiolli/ionic,manucorporat/ionic,AbraaoAlves/ionic,brianespinosa/ionic2-sass,manucorporat/ionic,alan-agius4/ionic,jhlee8804/ionic,driftyco/ionic,AbraaoAlves/ionic,janglednerves/ionic,dennybiasiolli/ionic,manucorporat/ionic,joshesp/ionic,cambronjay/ionic,joshesp/ionic,jarrodkoch/ionic,jhlee8804/ionic,dennybiasiolli/ionic,jarrodkoch/ionic,manucorporat/ionic,alan-agius4/ionic,AbraaoAlves/ionic,jhlee8804/ionic,driftyco/ionic,janglednerves/ionic