Updates re. composing and downloading of mail
Fix drafts tagging to be per-message, not per-conversation
Added logo file
Static content
Debugging bad dates
Merge branch 'master' of https://github.com/brennannovak/Mailpile into feature/json
Merge branch 'master' of https://github.com/smari/Mailpile into feature/json

Conflicts:
	IDEAS.md
White space
Merge branch 'master' of https://github.com/smari/Mailpile into feature/json
Formatting tweaks
Merge branch 'master' of https://github.com/smari/Mailpile into feature/json
Whitespace and other minor cleanups
Brennan contributed a logo
Misc. bugfixes, brought Json URLs more inline with original design
Cleaning up HTTP header handling, making static content cachable
Added very basic XML rendering
Make Json/XML messages use parse tree more directly, other minor tweaks
JS: Create the results table if need be.
Chatter converted to loglines for JSON compatability.
Set command + templates for notice, warning, error.