Improved dovecot version detection in installer for Fedora and CentOS.

Till Brehm

2014-10-19 b79f6ca284856d5ad1e260540b418b7eb634bc16

1
ALTER TABLE `client` CHANGE `web_php_options` `web_php_options` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT 'no,fast-cgi,cgi,mod,suphp,php-fpm';