Update Travis configuration

.travis.yml

@@ -1,22 +1,20 @@
 language: elixir
 sudo: false # to use faster container based build environment
 
-elixir:
-  - 1.0.5
-  - 1.1.1
-  - 1.2.2
-
-otp_release:
-  - 17.5
-  - 18.2
+matrix:
+  include:
+    - otp_release: 18.3
+      elixir: 1.1.1
+    - otp_release: 18.3
+      elixir: 1.2.6
+    - otp_release: 18.3
+      elixir: 1.3.4
+    - otp_release: 19.0
+      elixir: 1.3.4
 
 after_script:
   - mix deps.get
   - MIX_ENV=dev mix credo
   - MIX_ENV=docs mix docs # generate docs to check if it is not breaking.
   - MIX_ENV=test mix coveralls.travis 
 
-matrix:
-  exclude:
-    - otp_release: 17.5 # exclude elixir 1.2 from running in incompatible versions
-      elixir: 1.2.2

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## v1.2.0
 
+### Backwards incompatible:
+
+  - This release raises the minimum Elixir version to 1.1 and is only tested with Erlang 18 and above.
+
 ### Features:
 
   - Added config property `report_dir`. This makes it possible to set absolute paths for the generated reports.

mix.exs

@@ -6,7 +6,7 @@ defmodule Formatter.Mixfile do
   def project do
     [app: :junit_formatter,
      version: @version,
-     elixir: "~> 1.0",
+     elixir: "~> 1.1",
      deps: deps,
      package: package,
      consolidate_protocols: Mix.env != :test,