[Client][HatoholServerEditDialog] Fix server edit dialog is vertically.
[Client][HatoholServerEditDialog] Add a missing semicolon
[Client][HatoholServerEditDialog] Shorten text entries
[Client][HatoholServerEditDialog] Modify position of entries.

* Grouping by:
  * Server location settings
  * Server account settings
  * Polling settings
[Client][HatoholServerEditDialog] Add more information to labels.

I prefere to add following information to labels:

* "DB name" will be enabled only for Nagios
* Unit of interval (sec)
[Client][HatoholServerEditDialog] Don't show "DB name" for Zabbix.
[Client][po] Fix transration files.
Merge pull request #124 from project-hatohol/change-server-edit-dialog

[Issue #121][Client][HatoholServerEditDialog] Fix server edit dialog is vertically.