moved i2ncommon stuff into utils subdir

diff --git a/i2ncommon/containerfunc.cpp b/utils/i2ncommon/containerfunc.cpp
similarity index 100%
rename from i2ncommon/containerfunc.cpp
rename to utils/i2ncommon/containerfunc.cpp

diff --git a/i2ncommon/containerfunc.hpp b/utils/i2ncommon/containerfunc.hpp
similarity index 100%
rename from i2ncommon/containerfunc.hpp
rename to utils/i2ncommon/containerfunc.hpp

diff --git a/i2ncommon/signalfunc.cpp b/utils/i2ncommon/signalfunc.cpp
similarity index 100%
rename from i2ncommon/signalfunc.cpp
rename to utils/i2ncommon/signalfunc.cpp

diff --git a/i2ncommon/signalfunc.hpp b/utils/i2ncommon/signalfunc.hpp
similarity index 100%
rename from i2ncommon/signalfunc.hpp
rename to utils/i2ncommon/signalfunc.hpp