Added mkpkg.sh script and helper script
Added mkpkg.sh script and helper script

billappleton/dsp-core,neroxing/dsp-core,bbreck3/dsp-core,neroxing/dsp-core,neroxing/dsp-core,neroxing/dsp-core,bbreck3/dsp-core,bbreck3/dsp-core,billappleton/dsp-core,billappleton/dsp-core,billappleton/dsp-core,bbreck3/dsp-core