Fix Timeline outside of scroll area in IE 11
Import icon-font-css in scm css
Remove superfluous plug-in reference
Allow to extend list of scripts by plug-ins

Some plug-ins, e.g. OpenProject Impermanent Memberships, utilize
JavaScript to extend the memberships view. After an AJAX request
these modifications need to be re-applied. This refactoring allows
plug-ins to extend the list of functions applied after an AJAX request.
Support stubs in steps
Merge pull request #1364 from opf/release/fix/7772_membership_duration_column_disappears_after_extending

[Release][Fix] 7772 membership duration column disappears after extending
Merge pull request #1343 from netfighter/bugfix/7492_timeline_outside_of_scroll
Add changelog entry
Test scenario form creating a custom field with empty name, other  for check how the fallback name is set.

Conflicts:

	spec/controllers/custom_fields_controller_spec.rb
Custom validator to check the presence of custom field name.

Conflicts:

	app/models/custom_field.rb
Add also validation for name value length
Acceptance tests for empty custom fields
Merge pull request #1367 from opf/release/fix/5652_custom_fields_with_empty_name

[Release][Fix] #5652: Custom fields with empty name can be created
updated changelog
Don't apply legend style on nested fieldsets
Merge pull request #1394 from opf/release/fix/7623_fix_fieldset_legend_style

[Release][Fix] 7623 fix fieldset legend style
map subdirectory unless Passenger is used
Merge branch 'feature/rack_subdirectory' into release/3.0
added changelog for 8421
Add specs for status title in the links to the work packages