Drop support for rails 4.1

Author: lgebhardt

.travis.yml

@@ -1,7 +1,6 @@
 language: ruby
 sudo: false
 env:
- - "RAILS_VERSION=4.1.0"
  - "RAILS_VERSION=4.2.6"
  - "RAILS_VERSION=5.0.0"
 rvm:

test/test_helper.rb

@@ -7,8 +7,8 @@
 # export RAILS_VERSION=4.2.6; bundle update rails; bundle exec rake test
 # export RAILS_VERSION=5.0.0; bundle update rails; bundle exec rake test
 
-# We are no longer having Travis test Rails 4.0.x., but you can try it with:
-# export RAILS_VERSION=4.0.0; bundle update rails; bundle exec rake test
+# We are no longer having Travis test Rails 4.1.x., but you can try it with:
+# export RAILS_VERSION=4.1.0; bundle update rails; bundle exec rake test
 
 # To Switch rails versions and run a particular test order:
 # export RAILS_VERSION=4.2.6; bundle update rails; bundle exec rake TESTOPTS="--seed=39333" test