Use remote.pushdefault in Push Dialog

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Reorganize control position

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Can set fetch.prune

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Can set remote.pushdefault

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Update Tortoise.pot

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Merge branch 'remote-default-config'