adds inch ci for doc % reports

Author: jscott22

.travis.yml

@@ -6,3 +6,5 @@ install:
   - docker-compose up --exit-code-from bigtable-test --build bigtable-test
 after_success:
   - bash <(curl -s https://codecov.io/bash)
+  - MIX_ENV=docs mix deps.get
+  - MIX_ENV=docs mix inch.report

config/docs.exs

@@ -103,6 +103,7 @@ defmodule Bigtable.MixProject do
       {:credo, "~> 1.0.0", only: [:dev, :test, :ci], runtime: false},
       {:excoveralls, "~> 0.10", only: [:dev, :test, :ci]},
       {:ex_doc, "~> 0.19", only: :dev, runtime: false},
+      {:inch_ex, only: :docs},
       {:mix_test_watch, "~> 0.8", only: :dev, runtime: false},
       {:protobuf, "~> 0.5.3"},
       {:google_protos, "~> 0.1"},

mix.exs

@@ -19,6 +19,7 @@
   "hackney": {:hex, :hackney, "1.15.0", "287a5d2304d516f63e56c469511c42b016423bcb167e61b611f6bad47e3ca60e", [:rebar3], [{:certifi, "2.4.2", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "6.0.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.4", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
   "httpoison": {:hex, :httpoison, "1.5.0", "71ae9f304bdf7f00e9cd1823f275c955bdfc68282bc5eb5c85c3a9ade865d68e", [:mix], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "idna": {:hex, :idna, "6.0.0", "689c46cbcdf3524c44d5f3dde8001f364cd7608a99556d8fbd8239a5798d4c10", [:rebar3], [{:unicode_util_compat, "0.4.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},
+  "inch_ex": {:hex, :inch_ex, "2.0.0", "24268a9284a1751f2ceda569cd978e1fa394c977c45c331bb52a405de544f4de", [:mix], [{:bunt, "~> 0.2", [hex: :bunt, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
   "jason": {:hex, :jason, "1.1.2", "b03dedea67a99223a2eaf9f1264ce37154564de899fd3d8b9a21b1a6fd64afe7", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
   "joken": {:hex, :joken, "2.0.0", "ff10fca10ec539d7a73874da303f4a7a975fea53fcd59b1b89dda2a71ecb4c6b", [:mix], [{:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: true]}, {:jose, "~> 1.8", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm"},
   "jose": {:hex, :jose, "1.9.0", "4167c5f6d06ffaebffd15cdb8da61a108445ef5e85ab8f5a7ad926fdf3ada154", [:mix, :rebar3], [{:base64url, "~> 0.0.1", [hex: :base64url, repo: "hexpm", optional: false]}], "hexpm"},