big changes in globalmanagesettings model
update global manage settings pug template
update paramconverter for mass of new number/trim/array fields, etc for the form

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call gulp tasks for images, captcha, css, html, (e.g. change captcha type, clear html) etc from within chan or build-worker probs build worker

need to add update method to commit config and make it a getter, as hash could change

add getConfig calls for perms level in route middlewares

ability to update extra mime tyrpes, need access to add then filter  other mimetypes set

make perm levels everywhere into an enum (if they dont exist just freeze an object)

ability to reload themes, add some init() method so it can just be called again

allow updates to renderLocals in helpers.render for captchatype, some method to update locals from getConfig or whatever it will be called. same as a few other places