add db upgrade script - at the moment it does nothing as there are no upgrade_xx() functions defined; should be run through a browser; see example code at the end of the file
add db upgrade script - at the moment it does nothing as there are no upgrade_xx() functions defined; should be run through a browser; see example code at the end of the file

git-svn-id: 17e300447cb4b020d428f438ce6532ae41087135@131 912cdd6b-5c7d-d5a7-a2ba-d0f0cdb91641

thexerteproject/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,torinfo/xerteonlinetoolkits,thexerteproject/xerteonlinetoolkits,torinfo/xerteonlinetoolkits