perf(animation): optimizing hot loops
perf(animation): optimizing hot loops

- local variable optimization
- progressStep() does not debounce

cambronjay/ionic,dennybiasiolli/ionic,manucorporat/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,alan-agius4/ionic,alan-agius4/ionic,manucorporat/ionic,alan-agius4/ionic,dennybiasiolli/ionic,alan-agius4/ionic,alan-agius4/ionic,cambronjay/ionic,dennybiasiolli/ionic,dennybiasiolli/ionic,cambronjay/ionic,alan-agius4/ionic,joshesp/ionic,driftyco/ionic,cambronjay/ionic,cambronjay/ionic,TillaTheHun0/ionic,manucorporat/ionic,driftyco/ionic,driftyco/ionic,manucorporat/ionic,manucorporat/ionic,brianespinosa/ionic2-sass,joshesp/ionic,joshesp/ionic,TillaTheHun0/ionic,driftyco/ionic,dennybiasiolli/ionic,driftyco/ionic,joshesp/ionic