chore(): update project to typescript 2.2.
chore(): update project to typescript 2.2.

driftyco/ionic-cli,ricardo-mello/ionic-cli,ricardo-mello/ionic-cli,driftyco/ionic-cli,devtotvs/thf-mobile-cli,ricardo-mello/ionic-cli,devtotvs/thf-mobile-cli,devtotvs/thf-mobile-cli,driftyco/ionic-cli