Allow to overwrite rails_cache_store, session_store via environment variable
Transferring blueprint from apiary.io
Merge branch 'release/3.0' into merge/3_0_to_dev

Conflicts:
	app/controllers/api/experimental/groups_controller.rb
	app/controllers/news/previews_controller.rb
	app/controllers/work_packages_controller.rb
	app/helpers/application_helper.rb
	app/helpers/previews_helper.rb
	app/views/account/_omniauth_login.html.erb
	app/views/account/exit.html.erb
	app/views/common/preview.html.erb
	config/routes.rb
	doc/CHANGELOG.md
	lib/open_project/concerns/preview.rb
	spec/controllers/api/v2/planning_element_types_controller_spec.rb
	spec/controllers/types_controller_spec.rb
	spec/controllers/work_packages_controller_spec.rb
	spec/permissions/edit_wiki_pages_spec.rb
	spec/routing/previews_routing_spec.rb
	spec/routing/settings_spec.rb
	spec/routing/work_package/previews_routing_spec.rb
	spec/support/shared/previews.rb
Fixed failing karma tests
Add quick fix for load_config_from_file

  The whole test should be refactored. I suggest using a
  real life example of the configuration.yml instead of
  stubbing its content.
fixes types controller spec after

bad resolved merge conflict in d398f0
fixes work packages controller spec after

bad resolved merge conflict in d398f0
persist url and date textValues in url
Revert "Try to fix index pagination Cuke (fails on Travis)"

This reverts commit 9ee976fc979b7ac064ecfa71a6586e79abb27024.
Remove overly general (legacy) list styles

These styles make tabs formatting inconsistent in the outside-project-
context work package details view.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Reduce, normalise padding o/s project context

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Move canDeleteRelation method to relations handler.
Mark index pagination Cuke wip (fails on Travis)

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Limit absolute layout to work packages index view

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Simplify sizing of absolute layout mode

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Use new rspec stubbing in work_packages_controller_spec
Merge pull request #1768 from opf/feature/refactor-work-package-index-styling-flexboxes

Refactor work package index styling (flexible box based solution)
Merge pull request #1777 from opf/fix/persist-text-and-date-fields-in-url

persist url and date textValues in url
Added translations for WP relations tab
Added translation for spent time