remove vendored test JS
reduce double code in devise_generator.rb
reduce double code in FormBuilder#has_many
code reduce in Views::Pages::Index#title
Merge pull request #3051 from timoschilling/form_builder_codereduce

reduce double code in FormBuilder#has_many
Update dependencies so we can bundle with Rails 4.1
tests for ActiveAdmin::Views::Pages::Index#title
Merge pull request #3057 from romansklenar/rails-dependencies

Update dependencies so we can bundle with Rails 4.1
test Rails 4.1.0 on Travis

closes #2759
remove trailing whitespaces
Merge pull request #3058 from timoschilling/remove_trailing_whitespaces

remove trailing whitespaces
Fix a bug that caused has_many fields to be lost
Merge pull request #3059 from jgorset/master

Fix a bug that caused has_many fields to be lost
ORM agnostic update to #783

ref
https://github.com/gregbell/active_admin/commit/aa10436f207d6a90989c417f
59dfa13d782a76e9#commitcomment-5957693 and #2545
Use `sort_by` instead of `sort_by!`

`sort_by!` and other mutator methods are blacklisted as of Ruby on Rails
4.1.0.rc2 and now yield `NoMethodError`.

References:
* https://github.com/rails/rails/commit/d4ee09c
Merge pull request #3064 from jgorset/fix/undefined-method-sort-by!

Use `sort_by` instead of `sort_by!`
Merge pull request #3052 from timoschilling/pages_index_codereduce

code reduce in Views::Pages::Index#title
Update README with info about dependencies for Rails 4.1.
Merge pull request #3066 from sbleon/rails41_install_doc

Update README with info about dependencies for Rails 4.1.
depend on master for certain gems on Rails 4.1

the minitest addition was to get around this error:
```
Warning: you should require 'minitest/autorun' instead.
Warning: or add 'gem "minitest"' before 'require "minitest/autorun"'