Scripts to split/merge translated po file

Currently ja.po is specified in the script.
Add per-chapter ja.po: chap/acknowledgements.xml.ja.po
Add per-chapter ja.po: chap/app_crypt.xml.ja.po
Add per-chapter ja.po: chap/app_usecases.xml.ja.po
Add per-chapter ja.po: chap/bk_ops_guide.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_cloud_controller.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_compute_nodes.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_example.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_network_design.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_provision.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_scaling.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_storage.xml.ja.po
Add per-chapter ja.po: chap/ch_arch_whats_next.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_backup_recovery.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_customize.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_dochistory.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_lay_of_land.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_log_monitor.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_maintenance.xml.ja.po
Add per-chapter ja.po: chap/ch_ops_network_troubleshooting.xml.ja.po