Added Indonesian language pack

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Synced translations with Transifex

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Prepared release and bumped version numbers to 1.8.6.0

Signed-off-by: Sven Strickroth <email@cs-ware.de>