Add ex_doc dependency

Needed for publishing the library

mix.exs

@@ -35,7 +35,8 @@ defmodule PhoenixComponents.Mixfile do
   defp deps do
     [
       {:phoenix, "~> 1.2.1"},
-      {:phoenix_html, "~> 2.6"}
+      {:phoenix_html, "~> 2.6"},
+      {:ex_doc, ">= 0.0.0", only: :dev},
     ]
   end
 

mix.lock

@@ -1,4 +1,6 @@
-%{"mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], [], "hexpm"},
+%{"earmark": {:hex, :earmark, "1.2.2", "f718159d6b65068e8daeef709ccddae5f7fdc770707d82e7d126f584cd925b74", [:mix], [], "hexpm"},
+  "ex_doc": {:hex, :ex_doc, "0.16.1", "b4b8a23602b4ce0e9a5a960a81260d1f7b29635b9652c67e95b0c2f7ccee5e81", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
+  "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], [], "hexpm"},
   "phoenix": {:hex, :phoenix, "1.2.4", "4172479b5e21806a5e4175b54820c239e0d4effb0b07912e631aa31213a05bae", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.4 or ~> 1.3.3 or ~> 1.2.4 or ~> 1.1.8 or ~> 1.0.5", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 1.5 or ~> 2.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_html": {:hex, :phoenix_html, "2.9.3", "1b5a2122cbf743aa242f54dced8a4f1cc778b8bd304f4b4c0043a6250c58e258", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.1", "c10ddf6237007c804bf2b8f3c4d5b99009b42eca3a0dfac04ea2d8001186056a", [:mix], [], "hexpm"},