Use non-broken version of attr_encrypted

Gemfile

@@ -37,6 +37,7 @@ gem "rack-oauth2", "~> 1.0.5"
 # Two-factor authentication
 gem 'devise-two-factor'
 gem 'rqrcode-rails3'
+gem 'attr_encrypted', git: 'https://github.com/attr-encrypted/attr_encrypted.git', ref: '94d901df2ccbc579b981091d53dd641f9bed4c1d'
 
 # Browser detection
 gem "browser"

Gemfile.lock

+GIT
+  remote: https://github.com/attr-encrypted/attr_encrypted.git
+  revision: 94d901df2ccbc579b981091d53dd641f9bed4c1d
+  ref: 94d901df2ccbc579b981091d53dd641f9bed4c1d
+  specs:
+    attr_encrypted (1.3.3)
+      encryptor (>= 1.3.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -46,8 +54,6 @@ GEM
     ast (2.0.0)
     astrolabe (1.3.0)
       parser (>= 2.2.0.pre.3, < 3.0)
-    attr_encrypted (1.3.3)
-      encryptor (>= 1.3.0)
     attr_required (1.0.0)
     autoprefixer-rails (5.1.11)
       execjs
@@ -684,6 +690,7 @@ DEPENDENCIES
   annotate (~> 2.6.0.beta2)
   asana (~> 0.0.6)
   asciidoctor (= 0.1.4)
+  attr_encrypted!
   awesome_print
   better_errors
   binding_of_caller