zabbix apache config is modified php value 'timezone' can change on attribute.
README.md,metadata.rb,CHANGELOG.md update.

Description add.
new file:   postgresql9/CHANGELOG.md
modified:   postgresql9/README.md
modified:   postgresql9/metadata.rb
modified:   zabbix/CHANGELOG.md
modified:   zabbix/README.md

php value 'timezone' can cahange on attribute.
modified:   zabbix/attributes/default.rb
modified:   zabbix/metadata.rb
modified:   zabbix/recipes/default.rb
renamed:    zabbix/files/default/zabbix.conf -> zabbix/templates/default/zabbix.conf.erb