fix(sass): remove override for $toolbar-md-button-color
fix(sass): remove override for $toolbar-md-button-color

nReality/AgileAfricaConf-app,sinholic/aero-flyer,TobiasSchaeuble/HMAD,nReality/SUGSA-ScrumGathering-App2016,subsolo/ITHC,nReality/AgileAfricaConf-app,TobiasSchaeuble/HMAD,nReality/AgileAfricaConf-app,sinholic/aero-flyer,nReality/SUGSA-ScrumGathering-App2016,kumarnavinrai/finalmcu,fmsouza/mangiare,nReality/SUGSA-ScrumGathering-App2016,ericel/weytindey,nReality/SUGSA-ScrumGathering-App2016,francarmona/ionice-contryside-events-app,tommy-boy/AMZNDEALS,nReality/AgileAfricaConf-app,minhlong/NamHoa-Ionic,driftyco/ionic-conference-app,Beslinda/catalogIonicApp,francarmona/ionice-contryside-events-app,abdolmajidazad/neveshtak,nReality/AgileAfricaConf-app,laodice/ionic-conference-app-session2,sinholic/aero-flyer,nReality/SUGSA-ScrumGathering-App2016,minhlong/NamHoa-Ionic,laodice/ionic-conference-app-session2,subsolo/ITHC,kumarnavinrai/finalmcu,francarmona/ionice-contryside-events-app,tommy-boy/AMZNDEALS,abdolmajidazad/neveshtak,ericel/weytindey,fmsouza/mangiare,nReality/SUGSA-ScrumGathering-App2016,tommy-boy/AMZNDEALS,driftyco/ionic-conference-app,minhlong/NamHoa-Ionic,fmsouza/mangiare,nReality/AgileAfricaConf-app,driftyco/ionic-conference-app,kumarnavinrai/finalmcu,subsolo/ITHC,Beslinda/catalogIonicApp,abdolmajidazad/neveshtak,TobiasSchaeuble/HMAD,pierrecabriere/Greencharge,laodice/ionic-conference-app-session2,nReality/SUGSA-ScrumGathering-App2016,Beslinda/catalogIonicApp,fmsouza/mangiare,ericel/weytindey,pierrecabriere/Greencharge,pierrecabriere/Greencharge,nReality/AgileAfricaConf-app