Install eggdrop on viperserv role
Summary:
Build and install eggdrop for Dæghrefn and Wearg.
Ref T1309
Test Plan: Check we've a runnable eggdrop and scripts cloned
Reviewers: dereckson
Reviewed By: dereckson
Maniphest Tasks: T1309
Differential Revision: https://devcentral.nasqueron.org/D1181