- Revert "Improve authentication" and "Default Authentication Method"

to make login work again.
- Fixes to docker-compose.yml so that Wekan Meteor 1.6.x version would work.
  Most likely Meteor 1.8.x version is still broken.

Thanks to xet7 !

client/components/main/layouts.jade

@@ -23,6 +23,7 @@ template(name="userFormsLayout")
         br
     section.auth-dialog
       +Template.dynamic(template=content)
+      +connectionMethod
       if isCas
         .at-form
           button#cas(class='at-btn submit' type='submit') {{casSignInLabel}}