string changes in Call::toHumanStateName()
string changes in Call::toHumanStateName()

Ringing (in) -> Ringing
Ringing (out) -> Calling

UI Tuleap: #148

Change-Id: Ib96e9288af60659856a1883400fd1656ba4dc7a7

savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc