Update specs due to recent Capybara upgrade.

Also fix bug (introduced in 6322e1ddb85bfa6b42af0260b42bdf29563c89fc)
where new setting wasn't showing up after it got created.
Drop .dev from version.
Update Travis CI configuration.
Apply chnages recently made in main refinerycms repo.

* Remove notifier gems
* Remove Guardfile
* Add ability to specify additional gems when developing in .gemfile
Use https in gem source.
Remove jquery-rails from Gemfile because it gets required by Refinery::Core engine.
clearing debugs and bugfixing
update gemfile
update js
Merge branch 'master' into refinery_light

Conflicts:
	Gemfile
	app/views/refinery/admin/settings/_records.html.erb
	refinerycms-settings.gemspec
	spec/features/refinery/admin/settings_spec.rb