Enhancements:
Make subnavigation for organization page content dependent (#908)
This makes sure that when we are on an organization page we only show the approvals and the tasks submenu items when they also exist on the page.
Implements #549 and #548
Dependencies upgrades
Bump react from 16.5.1 to 16.5.2 in /client (#904)
Bump react-dom from 16.5.1 to 16.5.2 in /client (#905)
Bump react from 16.5.0 to 16.5.1 in /client (#901)
Bump artillery from 1.6.0-23 to 1.6.0-24 in /client (#895)
Bump graphiql from 0.11.11 to 0.12.0 in /client (#900)
Bump react-tag-input from 5.1.2 to 5.2.1 in /client (#897)
Bump react-dom from 16.5.0 to 16.5.1 in /client (#893)
Bump lodash from 4.17.10 to 4.17.11 in /client (#896)
Bump webpack from 4.18.0 to 4.19.1 in /client (#898)
Bump promise from 8.0.1 to 8.0.2 in /client (#894)
