YaCOMAS Payments module uploaded to Trunk

Tons of improvements and fixes implemented in the past FSL Vallarta 2011 has been uploaded to Trunk.
* Fixes regarding UTF-8 and ISO-8859-1 has been also uploaded.
* Update database schema
Go get it: svn co https://yacomas.svn.sourceforge.net/svnroot/yacomas/trunk yacomas