Implemented: FS#3568 - Configure server hostname trough ISPConfig

Till Brehm

2014-07-29 a43eb3b0ccaf84a6ab44a1f46f47cc4f8ce54844

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ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;