Bump Atlas to quintel/atlas@21a6046

Author: noracato

Gemfile

@@ -73,7 +73,7 @@ gem 'ruby-progressbar'
 
 # own gems
 gem 'quintel_merit', ref: 'aae77e0', github: 'quintel/merit'
-gem 'atlas',         ref: 'db94f40', github: 'quintel/atlas'
+gem 'atlas',         ref: '21a6046', github: 'quintel/atlas'
 gem 'fever',         ref: '2afebd1', github: 'quintel/fever'
 gem 'refinery',      ref: '36b8e34', github: 'quintel/refinery'
 gem 'rubel',         ref: '9fe7010', github: 'quintel/rubel'

Gemfile.lock

@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/quintel/atlas.git
-  revision: db94f40e616a0a8feddf21ceaa98117e267da025
-  ref: db94f40
+  revision: 21a60468b711e700ec2964a4f3c9c942f5ba3c7b
+  ref: 21a6046
   specs:
     atlas (1.0.0)
       activemodel (>= 7)