Adding jinplace.js

Description: A jQuery plugin for in place editing on a page, primarly
controlled by HTML markup.
Source: https://bitbucket.org/itinken/jinplace
Author: Steve Ratcliffe
License: MIT
Removed the directory to rename
Fixed the naming of the directory
Fix package.json
Merge pull request #3377 from cdnjs/pr/3372

Pr/3372