Patch Version 1.2.48 : Add compatibility with Joomla 1.5.22

With Joomla 1.5.22, the jms multisite need an update of an existing patch is used to allow sharing the users sessions between subdomains and subdirectories.

This JMS Multisites patch definition include:

• The fix in the new session management present in Joomla 1.5.22
• Add JMS Tools (install) definitions for :
  - Copyright Current Year,
  - jDownloads,
  - JW Tabs & Slides Module