make it a get instead of a post to conform to existing routes.rb settings,...

make it a get instead of a post to conform to existing routes.rb settings, which allow a global get of any controller and action but no other verbs; fix auth source finding

app/controllers/zepheira_controller.rb

@@ -2,12 +2,12 @@ class ZepheiraController < ApplicationController
 
   skip_before_filter :verify_authenticity_token
 
-  verify method: :post, only: :ldap, render: { nothing: true, status: :method_not_allowed }
+  verify method: :get, only: :ldap, render: { nothing: true, status: :method_not_allowed }
   def ldap
     created = false
     user = nil
     login = params[:username]
-    auth_sources = AuthSource.find(:all)
+    auth_sources = AuthSource.all
     auth_sources.each do |src|
       if src.auth_method_name == 'LDAP'
         # Cheating.  Private method.