fix(checkbox): add 'type="button"' to <button> tag
fix(checkbox): add 'type="button"' to <button> tag

Add attribute 'type="button"' to <button> tag. The missing attribute caused forms with

ion-checkboxes to not be submitted as a normal form

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