Merge pull request #685 from KrzysztofHajdamowicz/fix/mysql-db-collate

Change database collation to utf8_bin as it is stated in official docs

Author: bastelfreak

manifests/params.pp

@@ -194,7 +194,7 @@
   $server_config_owner                      = 'zabbix'
   $server_configfile_path                   = '/etc/zabbix/zabbix_server.conf'
   $server_database_charset                  = 'utf8'
-  $server_database_collate                  = 'utf8_general_ci'
+  $server_database_collate                  = 'utf8_bin'
   $server_database_host                     = 'localhost'
   $server_database_host_ip                  = '127.0.0.1'
   $server_database_name                     = 'zabbix_server'