Fix vagrantfile
contacts/add now works with HTTP. Needs redirect to a better place though.
Workaround for when photo object does not exist in user data
Moving contact_add form to partials
1st cut at encrypting/signing mail, still needs work
Encrypting and signing appear to work now
Add all the "do what I told you to" flags to gpg when encrypting
Pass back info about missing keys when mailing or moving to outbox
Minor cleanup to PGP/MIME structure
Make sure we serve the right MIME type for file types the UI depends on,
no matter what the Python mimetypes module (which we now only use as a
fallback for performance reasons) thinks.

This should fix issue #370.
Merge pull request #367 from Valodim/master

Fix vagrantfile
1st draft at reducing metadata GPG overhead, issue #372
Fix problem where from_aid will be set from CC list in JSON
Make thumbnailer handle errors more gracefully, import PIL.Image in a
pillow-compatible way.  Should help with issue #374.
Do not create VCards for GPG keys with no e-mail addresses (issue #371)
Handle utf-8 data properly in CLi message editor
Fix detection of quoted parts, to more accurately grab the header.
Add detection of signatures.

Issues: #350 #359
Improve redirector, issue #360
Updated pile avatar image & padding to default to 'cozy' to avoid weird jump
Moved sub-navigation and bulk-actions into a tools_search.html partial and new <div> wrappers in base.html