Revert "chore(deps): bump oauth2 from 0.9.4 to 2.0.1 (#411)" (#420)

This reverts commit 4a961ea.

apps/cf/mix.exs

@@ -54,7 +54,7 @@ defmodule CF.Mixfile do
       {:not_qwerty123, "~> 2.2"},
       {:bamboo, "~> 1.7.1"},
       {:hackney, "~> 1.17"},
-      {:oauth2, "~> 2.0"},
+      {:oauth2, "~> 0.9"},
       {:rollbax, ">= 0.0.0"},
       {:sweet_xml, "~> 0.6"},
       {:burnex, "~> 1.0"},

mix.lock

@@ -68,7 +68,7 @@
   "mochiweb": {:hex, :mochiweb, "2.18.0", "eb55f1db3e6e960fac4e6db4e2db9ec3602cc9f30b86cd1481d56545c3145d2e", [:rebar3], [], "hexpm", "b93e2b1e564bdbadfecc297277f9e6d0902da645b417d6c9210f6038ac63489a"},
   "mock": {:hex, :mock, "0.3.3", "42a433794b1291a9cf1525c6d26b38e039e0d3a360732b5e467bfc77ef26c914", [:mix], [{:meck, "~> 0.8.13", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "a280d1f7b6f4bbcbd9282616e57502721781c66ee5b540720efabeaf627cc7eb"},
   "not_qwerty123": {:hex, :not_qwerty123, "2.2.1", "656e940159517f2d2f07ea0bb14e4ad376d176b5f4de07115e7a64902b5e13e3", [:mix], [{:gettext, "~> 0.13", [hex: :gettext, repo: "hexpm", optional: false]}], "hexpm", "7637173b09eb7b26b29925039d5b92f7107c94a27cbe4d2ba8efb8b84d060c4b"},
-  "oauth2": {:hex, :oauth2, "2.0.1", "70729503e05378697b958919bb2d65b002ba6b28c8112328063648a9348aaa3f", [:mix], [{:hackney, "~> 1.13", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "c64e20d4d105bcdbcbe03170fb530d0eddc3a3e6b135a87528a22c8aecf74c52"},
+  "oauth2": {:hex, :oauth2, "0.9.4", "632e8e8826a45e33ac2ea5ac66dcc019ba6bb5a0d2ba77e342d33e3b7b252c6e", [:mix], [{:hackney, "~> 1.7", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "407c6b9f60aa0d01b915e2347dc6be78adca706a37f0c530808942da3b62e7af"},
   "parallel_stream": {:hex, :parallel_stream, "1.0.6", "b967be2b23f0f6787fab7ed681b4c45a215a81481fb62b01a5b750fa8f30f76c", [:mix], [], "hexpm", "639b2e8749e11b87b9eb42f2ad325d161c170b39b288ac8d04c4f31f8f0823eb"},
   "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},
   "phoenix": {:hex, :phoenix, "1.3.4", "aaa1b55e5523083a877bcbe9886d9ee180bf2c8754905323493c2ac325903dc5", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm", "f9eb4926aaad604c5ee4051f462f5981828fb559691236d71f7fb07ac4a0532d"},