Made 'Add to Group' bulk action into 'Move to Spam' as per Groups feature being cut from 1.0
Made dragging messages from search to sidebar use mailpile.instance.search_tag_ids which works on deeper search result pages
Updated colors available for Tag Label Colors
Improved Tag drag & drop with label colors and such
Added slightly better crypto feedback for messages unable to be decrypted as per Issue #675
Adding cd and ls commands to the CLI
Fix attachment extraction buglets, make attachments discoverable in CLI