Mostly bug fixes (new helper classes for JCB)

Summary of Changes

• Adds new helper classes.
• Moved more helper methods out to the utility classes.
• Added the underscore back to the plugin language prefix
• Adds new utilities abstract classes as helper methods.
• Moves the helper class autoloader above the class.
• Adds option to override the settings.json file.
• Improve help to allow the help url to be global in all the views.
• Fixed the zip wrapper to include .htaccess files for library folders.
• Improve help to allow the help url to be global in the view.
• Fixed the layout display listing in other template and layouts.
• Fix option to add field paths or rule paths to both module or plugin external forms.
• Adds option to add more field paths or rule paths to both module or plugin forms.
• Change the short hand echo to long, because of JED checker.
• Adds better options with custom get.
• Improved the auto checkin method.
• Adds the option to overide the assignment in item dynamic custom gets.