remove obsolete string
fix NPE
fix FC
cleanup
fix String formating
fix some FCs
Merge remote-tracking branch 'origin/translation'
dual sim with 'sub_id'; issue #949
fix closing dialog after importing; issue #959
fix second sim id in default rules; issue #949
fix rule edit with 'is websms'; issue #960
fix for second bill period; issue #956
Merge remote-tracking branch 'origin/translation'
update translation stats