fix: title_bar makeup - only direct child link gets rounded borders
fix expect value in filter_form_builder_spec
Fix has_many form rendering with new_record: false

Fixes #2773
Merge pull request #2831 from shekibobo/2773-fix-has-many-new-record

Fix has_many form rendering with new_record: false
disallow Kaminari 0.15.0

this prevents users from running into #2537
use latest bundler so Travis works with Ruby 2.1.0
Merge pull request #2830 from YETI-switch/master

fix expect value in filter_form_builder_spec
provide a more robust fix to prevent filter conditions from being deleted

This was spurred on by #2832, and effectively replaces #2523.

TL;DR it was the filter form's problem, so the resource extension
shouldn't have been trying to compensate.
Merge pull request #2814 from sandrew/2813-resource-action_item-makeup-fix-for-dropdown_meny

Resource action_item makeup fix for dropdown_menu
fix regression in 4dd5b105

Ref: #2523, #2832