docs(navController): add api docs
docs(navController): add api docs

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