* DRY font-family declarations
* Add email.less, inline styles using premailer
* min-width 100% for mobile email clients
* Emails without header have default 100% width (like before)
* Include email.css for all apps
* Keep !important declarations
* Add test case for inlining css
* Ignore important rules in css
* minor
* minor refactor
* update user.py to use new sendmail api
* On-demand attachments in email
* Replace inline_images by just specifying path
* Add header flag in frappe.sendmail
* Inline images can now be attached from assets/, files/ and private/files/
* Update tests
* Fix email_account test
* inline images working, ability to use template name for emails
* Extract header into separate file
* Remove erp-logo
* minor refactor
* [minor] codacy
* fix for test
* Add test case for email body
* remove unused imports
* Add more tests for email body
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility
* dict.iteritems to six.iteritems(dict) for python3 compatibility