chore(package): update typescript to version 2.1.6 (#416)
chore(package): update typescript to version 2.1.6 (#416)

https://greenkeeper.io/
TypeStrong/typedoc,sebastian-lenz/typedoc,dominic31/typedoc,PolymerLabs/typedoc,TypeStrong/typedoc,TypeStrong/typedoc,dominic31/typedoc,sebastian-lenz/typedoc,PolymerLabs/typedoc,sebastian-lenz/typedoc,dominic31/typedoc,PolymerLabs/typedoc