Install mail clients on devserver and shellserver roles

Summary:
As an alternative to webmail or native applications,
alpine, mutt and neomutt can be used from CLI.

Ref T1475

Test Plan: Deploy on Eglide and WindRiver

Reviewers: DorianWinty

Reviewed By: DorianWinty

Maniphest Tasks: T1475

Differential Revision: https://devcentral.nasqueron.org/D3363