[ts] Output ES2015 modules so babel-plugin-relay can find graphql calls.
[ts] Output ES2015 modules so babel-plugin-relay can find graphql calls.

Otherwise tsc prefixes the call with a namespace like `compat_1.graphql`.

artsy/emission,artsy/eigen,artsy/emission,artsy/eigen,artsy/emission,artsy/emission,artsy/eigen,artsy/eigen,artsy/emission,artsy/emission,artsy/eigen,artsy/eigen,artsy/eigen,artsy/emission