Parse less and scss files

This pull request is for [Simple support for LESS/SCSS](https://trello.com/c/KoK6kPtp/1190-m-simple-support-for-less-scss-in-key-brackets-features).


@JeffryBooher Same as above comment. I'll leave it to fix them all as JSDoc cleanup since there are a bunch of them in this format in this file.