Merge pull request #23 from aromaron/master

Show ranked proposals only to users with admin role
Removed unused authorization line
Add enumeration to talk list
Revert "Show ranked proposals only to users with admin role"

This reverts commit 9c138a5f0b7f04a35a1ce388da77503bc3445591.
Revert "Revert "Show ranked proposals only to users with admin role""

This reverts commit 084ff0e6f834d3f84ca0be8867a5aca664f145dc.