Added full set of H1-H6 buttons to MD editor
Allow per-field markdown toolbar customisation
Relaxing jshint rules, with explanations
Cleaning up linter warnings
Fixing Promise override

See https://github.com/jshint/jshint/issues/1747
added "cloudinary folders" to locals
mirrored "folder" virtual from cloudinaryImage and enabled "cloudinary folders" option for form submissions
enabled "cloudinary folders" option for direct uploads
added docs for CloudinaryImages "folder" option
fixed typo
added support for CSRF in HTTP headers
added sinon for spying/stubbing during unit tests
updated security_test.js
added check for req.headers ... for unit testing with empty object
Merge pull request #615 from JohnnyEstilles/feature/cloudinaryimages-folders

Adding CloudinaryImages folders
Merge pull request #616 from JohnnyEstilles/feature/csrf-in-http-headers

Added support for CSRF in HTTP headers
Fixing noedit in initial field templates, fixes #625

Fields set to `noedit: true` are always editable in the initial form
when `initial: true`.
Cleanup
Supporting default value in the initial textarea form
Fixing previous value population in initial fields, fixes #622