ace: generate an armored gpg signature
ace: generate an armored gpg signature

We were generating an .asc signature file but we didn't specify --armor
to the gpg commad so it was a binary file instead of an ASCII armored
file.

alban/appc-spec,zenlinTechnofreak/spec,stufflebear/spec,marineam/spec,apcera/appc-spec,craimbert/spec,endocode/appc-spec,marineam/spec,appc/spec,3ofcoins/appc-spec,craimbert/spec,dustymabe/spec,ChengTiesheng/spec,alban/appc-spec,endocode/appc-spec,squeed/spec,appc/spec,marineam/spec,apcera/appc-spec,3ofcoins/appc-spec,zenlinTechnofreak/spec,dgonyeo/spec,iaguis/appc-spec,alban/appc-spec,squeed/spec,krnowak/appc-spec,endocode/appc-spec,iaguis/appc-spec,krnowak/appc-spec,ChengTiesheng/spec,appc/spec,krnowak/appc-spec,apcera/appc-spec,dustymabe/spec,stufflebear/spec,craimbert/spec,3ofcoins/appc-spec,ChengTiesheng/spec,jonboulle/spec,dustymabe/spec,jonboulle/spec,dgonyeo/spec,squeed/spec,iaguis/appc-spec,dgonyeo/spec,zenlinTechnofreak/spec,stufflebear/spec,jonboulle/spec