misc: Use 'Savoir-faire Linux Inc.' more consistently

extras/packaging/gnu-linux/rules/debian/copyright

extras/packaging/gnu-linux/rules/rpm/jami-daemon.spec

extras/packaging/gnu-linux/rules/rpm/jami-libclient.spec

extras/packaging/gnu-linux/rules/rpm/jami-libqt.spec

extras/packaging/gnu-linux/rules/rpm/jami-qt.spec

extras/packaging/gnu-linux/rules/rpm/jami.spec

src/app/mainview/components/ParticipantOverlay.qml

src/app/settingsview/components/PluginPreferencesView.qml

src/app/utils.cpp

src/libclient/containerview.h

src/libclient/qtwrapper/conversions_wrap.hpp