Introduced test-ios-sofia-cli sample xcode project that incorporates the sofsip-cli basic structures and functionality that puts together the backend of a fully functional client UA. sofsip-cli was dependent on Gnome glib due to some media implementations it supports the depend on glib. Our implementation doesn't need such media, and to avoid porting it to iOS I removed it by replacing the C classes that glib offers to C++ ones, along with C++ STL containers where glib containers where used. At this point I'm able to build the project with a couple of warnings; it is not ready to run on the actual device yet though.