Merge pull request #93 from timschofield/develop

Ricard: add $SysAdminEmail in config.sys and send email if too many logi...
Merge pull request #94 from timschofield/develop

Change the show table functions to assist in move towards multi database...
Change the name of the database connection port varaible in preparation for supporting more DBMS
Change variable name in config.distrib.php for change to supporting multi DBMS's
Merge pull request #95 from fahadhatib/develop

Development towards using other DBM's