gcctoolchain: improve architecture detection on mac

Change-Id: If6346fdf7d159891513764ada6fb4c1fcc9c4a63
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Android: Add AndroidSignalOperation.

Allows to kill and interrupt remote processes with the pid.

Change-Id: I22befc04dafbe2a7f132bddb3e17a2b48579ef3c
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
ios: better error messages

Change-Id: I2ccb7655320b18eed9f10c8b6130befe8c9cbdb0
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
ios: improve automatic kits

* fix incorrect old kits
* avoid adding a special debugger

Change-Id: I233068dbb9958045cdc2e875337297748b2b4ff8
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>