Upgraded Pines Notify 1.2.0 -> 1.2.2. Just minor update, nothing we needed.

  > Just took this opportunity to cleaned up some minor css/js to reflect namespace changes that 1.2.x brought (the legacy naming is still supported, but figured we should update this now rather than get bit by this later).

  > Moved the css pnotify ui override (which I also increased the notice default width from 340px to 400px) to sb css rather than hack the lib's css. -- This makes for a cleaner upgrade from the lib's source in the future.
Upgraded jquery.form 2.92 -> 3.35. Noticed we really only use this for the config section.. regardless we needed to update this to latest to make sure we don't run into compatibility issues when we go to 1.9.x or 1.10.x of jQuery.
Corrected wrong config.ini, `NMJ_DBLOC` should be `NMJv2_DBLOC`.
Removed legacy cookiejar and its dependency json for ie6/7. Pretty sure everyone is on IE8 or better by now :) especially those that are using SB. Leaving jquery.cookie in for now as this is used for fallback if the browser doesn't have localStorage.
Remove unused js lib, jquery.expand was going to be used on the coming episodes revamp 2 years ago (build 482 time) but never was used.
Added CONTRIBUTING.md to help provide a guide on how to submit bugs/pull requests.
Have the config default match the save routine default for usenet_retention.
Merge pull request #684 from thezoggy/dev--zog_updates

misc js lib update / minor fixes