Updated version to 2.2.4

Updated jQuery package manifest.

New Feature: option autoTriggerUntil to allow content to be auto load…

…ed on scrolling only up to the specified page number for this variable. Requires autoTrigger to be set to true.

Multiple bug fixes: contentSelector option now wors properly. Fixed bug where reaching end of paging was not destroying th jscroll instance properly, and also broke any other instances of jscroll on the page.

Added jQuery manifest, added .gitignore, updated version to 2.1.1.