Adapt activities on details tab to what is displayed on wp#show
Include gon in angular layout
Remove unrendered gon output from work_packages#index
Render user preferences to wp#index via gon
Get accessibility mode settings from gon, remove meta tag dependency
Enable activity sorting in descending order on activity tab
Merge branch 'dev' into fix/activity-journals-order

Conflicts:
	app/assets/javascripts/angular/work_packages/controllers/work-package-details-controller.js
	public/templates/work_packages/tabs/activity.html
Wired up numbers for latest activities on overview tab.
Merge pull request #1580 from opf/fix/activity-journals-order

Fix/activity journals order