* Remove the composer contenteditable, replace with basic <textarea>
* Beginning broader cleanup of draft session
* DraftJS composer with color, style support
* Serialization/unserialization of basic styles, toolbar working
* WIP
* Switch to draft-js-plugins approach, need to revisit HTML
* Move HTML conversion functionality into plugins
* Add spellcheck context menu to editor
* Initial work on quoted text
* Further work on quoted text
* BLOCK approach
* Entity approach - better, does not bump out to top level
* Hiding and showing quoted text via CSS
* Get rid of ability to inject another subject line component
* Clean up specs, DraftFactory to ES6
* Remove old initial focus hack
* Fix focusing, initial text selection
* Remove participant “collapsing” support, it can be confusing
* Correctly terminate links on carriage returns
* Initial signature support, allow removal of uneditable blocks
* Sync body string with body editorstate
* Simplify draft editor session, finish signatures
* Templates
* Minor fixes
* Simplify link/open tracking, ensure it works
* Reorg composer, rework template editor
* Omg the slowness is all the stupid emoji button
* Polish and small fixes
* Performance improvements, new templates UI
* Don’t assume nodes are elements
* Fix for sending drafts twice due to back-to-back saves
* Fix order of operations on app quit to save drafts reliably
* Improve DraftJS-Convert whitespace handling
* Use contentID throughout attachment lifecycle
* Try to fix images
* Switch to Slate instead of DraftJS… much better
* Fix newline handling
* Bug fixes
* Cleanup
* Finish templates plugin
* Clean up text editing / support for Gmail email styles
* Support for color + size on the same node, clean trailing whitespace
* Restore emoji typeahead / emoji picker
* Fix scrolling in template editor
* Fix specs
* Fix newlines
* Re-implement spellcheck to be faster
* Make spellcheck decorator changes invisible to the undo/redo stack
* Remove comment
* Polish themplates panel
* Fix#521
