don't dump log at client

Signed-off-by: Superbil <superbil@gmail.com>
setup base url in shareClient
let app will show loading data icon
unit test on fetch organizations and persons

* this is a example for fetch two different data model
let G0VAddressbookClient more clean

* don't auto fetch next page
* let G0VAddressbookClient support fetch by offset and length
* let method more clean
* remove no use code
use JSONModel to define popolo data model

* fix text case
* client result will be PgRestResult

Signed-off-by: Superbil <superbil@gmail.com>