Add Joomla 1.6.1 compatibility

We improved the compatibility with Joomla 1.6.x stable and we can now consider Jms Multi Sites as fully compatible with Joomla 1.6.1.
Sometime, Joomla 1.6 sends a Site ID as an array instead of a string.
So we detect this case in the Multisites DB connection to retreive the appropriate site ID value.

We also bundled this Jms Multisite package with the original Joomla 1.6.1 installation file.

Bundled with patches definition 1.2.55

This contain the patches for Joomla 1.6.1;
and add the JMS Tools (install) definitions for :

• AlphaRegistration