model: Remove the login parameter from User init
import: implemented command to import mail(box)
manage: Add user and project creation applets

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
views: Add barebones patch and project views

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
model: Use email as user login (nickname optional)
mailparse: Populate series from git-send-email patches