Added support for git-stable branch (currently stable-3.1 branch) in ISPCon...

Till Brehm

2016-01-31 299f8ebfb16a2b40f4142d1b1ba175ed3160d834

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ALTER TABLE `client` ADD `customer_no` VARCHAR( 64 ) NULL AFTER `contact_name` , ADD `vat_id` VARCHAR( 64 ) NULL AFTER `customer_no`;