v1.1.0-rc46

Add a usable podspec (#62)

* Add a usable podspec

* Add dependency on go-textile pod

* Just depend on Textile pod

* Podspec improvements, use Messenger and Callback from Textile

* Yarn.lock update

* Move some peer deps to actual deps

* Move those deps to actual deps, not dev

* Add peer deps back in

* Put back sdk messenger and callback implementations with new names

* Add some packages to dev dependencies for testing