Bump version 1.7.0

Also drop Elixir 1.7

Author: edgurgel

.travis.yml

@@ -1,29 +1,19 @@
 language: elixir
 elixir:
-  - 1.7
   - 1.8
   - 1.9
   - 1.10
 otp_release:
-  - 19.3
   - 20.3
   - 21.3
   - 22.3
   - 23.0
 matrix:
   exclude:
-    - elixir: 1.7
-      otp_release: 23.0
-    - elixir: 1.8
-      otp_release: 19.3
     - elixir: 1.8
       otp_release: 23.0
-    - elixir: 1.9
-      otp_release: 19.3
     - elixir: 1.9
       otp_release: 23.0
-    - elixir: 1.10
-      otp_release: 19.3
     - elixir: 1.10
       otp_release: 20.3
 cache:
@@ -32,7 +22,7 @@ cache:
     - deps
 script:
   - mix test
-  - if [[ `elixir -v` = *"1.8"* ]]; then mix format --check-formatted; fi
+  - mix format --check-formatted
   - if [[ `elixir -v` = *"1.8"* ]]; then
       travis_wait 30 mix dialyzer --halt-exit-status --format term;
     fi

mix.exs

@@ -8,8 +8,8 @@ defmodule HTTPoison.Mixfile do
   def project do
     [
       app: :httpoison,
-      version: "1.6.2",
-      elixir: "~> 1.7",
+      version: "1.7.0",
+      elixir: "~> 1.8",
       name: "HTTPoison",
       description: @description,
       package: package(),