* Ecto.Changeset.cast/3 deprecated usage of binary keys,
  so a refactoring was applied to solve this.
`
warning: non-atom keys in cast/3 is deprecated. All keys must be atoms, got: `"reset_password_token"`
`

* Removed timex_ecto lib since ecto 3.0 does not support it

* Passing :adapter via config is deprecated in favor of passing it on use Ecto.Repo

* Ecto.migrations_path/1 was moved to Ecto.Migrator module

* postgrex lib ~> 0.14.0

* Upgraded elixir to 1.7 since it's is a requirement for phoenix 1.4

* Replaced Poison lib in favor of Jason one

* A Routes alias has been added to coherence_web.ex for view and controller blocks in favor over the previously imported AppWeb.Router.Helpers. In reason of that
all routes around the lib was updated to Routes.path_name_path

…elpers