[refpolicy] [PATCH v3 0/3] Introduce mutt policy

[Sven Vermeulen]

Please find in the following e-mails an initial policy for the mutt
application (terminal e-mail client). The set of mails contains:
- the mutt definition (.te, .if, .fc)
- adding mutt_role to unprivuser and staff
- update gpg.te to grant it rw access to mutt's tmp files

With respect to the previous (v2) patchset, this has coding style fixes,
using userdom_user_tmp_file and removes a test rule that was forgotten
earlier.

Wkr,
	Sven Vermeulen