FS-6159 -resolve mod_rayo: prompt, input, output components return hangup cause if stopped by hangup

mod_cluechoo needs to be linked against ncurses or we receive an error
about undefined symbols when loading the module.  How did this ever
work?

Thanks-to: Dušan Dragić <dragic.dusan@gmail.com>

FS-5965

Before Jay, no one must have actually tried using the example SBC
config.

Thanks-to: Jay Blinks <jaybinks@gmail.com>
Thanks-to: Cal Leeming <cal.leeming@simplicitymedialtd.co.uk>

FS-6144 --resolve

mod_v8: Removed i18n support (ECMAScript 402) from V8 for now, to make build work on ARM platform. This will also force a rebuild of V8

We want people to have this on so that when we're looking at reported
log files we can tell what is going on.

Fixing leak in presense where the contact header doesn't include the fs_path option during a presense subscription

Disabled some compiler warnings on Windows build (for Visual Studio 2012), also disabled code analysis one some projects. This should make the Windows build more clean in the future.

Lots of trivial tweaks to minimize compiler warnings, especially on 64-bit platform: Added missing type casts, changed types, added missing NULL checks.