Update dependency to Elixir 1.6

fhunleth · mobileoverlord · commit ab08a3ba4533 · 2018-09-25T15:49:22.000-04:00
We're no longer testing on earlier Elixir versions
diff --git a/mix.exs b/mix.exs
@@ -10,7 +10,7 @@ defmodule NervesSystemBbb.MixProject do
     [
       app: @app,
       version: @version,
-      elixir: "~> 1.4",
+      elixir: "~> 1.6",
       compilers: Mix.compilers() ++ [:nerves_package],
       nerves_package: nerves_package(),
       description: description(),

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ defmodule NervesSystemBbb.MixProject do`
`10`	`10`	`[`
`11`	`11`	`app: @app,`
`12`	`12`	`version: @version,`
`13`		`- elixir: "~> 1.4",`
	`13`	`+ elixir: "~> 1.6",`
`14`	`14`	`compilers: Mix.compilers() ++ [:nerves_package],`
`15`	`15`	`nerves_package: nerves_package(),`
`16`	`16`	`description: description(),`