Add user details view
Merge branch 'develop' of https://github.com/allegro/ralph_assets into user-view

Conflicts:
	src/ralph_assets/templates/assets/user_list.html
	src/ralph_assets/templatetags/assets.py
Sort imports
Merge pull request #183 from quamilek/user-view

Add user details view
Merge branch 'develop' into move-user-info