[client][library.js] Escape selector item labels
[client][servers][actions][users] Escape table contents
[client][events] Escape table contents
[client][overview_triggers][triggers] Escape table contents
[client][dashboard] Escape table contents
[client][overview_items][latest_data] Escape table contents
[client][HatoholUserEditDialog] Escape selector items
[client][HatoholUserRoleEditor] Escape table contents
[client][HatoholServerSelector] Escape table conetents
[client][HatoholHostSelector] Escape table contents
[client][HatoholTriggerSelector] Escape table contents
[client][HatoholPrivilegeEditDialog] Escape table contents