(GH-501) allow shutting off sign when no network
(GH-501) allow shutting off sign when no network

When there is no network available shutting off code signing should be
available.

jberezanski/choco,eeevans/choco,dtgm/choco,TheBigBear/choco,Apteryx0/choco,jberezanski/choco,Apteryx0/choco,sideeffffect/choco,TheBigBear/choco,bazzilic/choco,eeevans/choco,bazzilic/choco,dtgm/choco,TheBigBear/choco,jberezanski/choco,sideeffffect/choco