Update travis config
Update travis config

istinspring/grab,liorvh/grab,maurobaraldi/grab,lorien/grab,SpaceAppsXploration/grab,DDShadoww/grab,huiyi1990/grab,raybuhr/grab,raybuhr/grab,giserh/grab,subeax/grab,lorien/grab,maurobaraldi/grab,shaunstanislaus/grab,subeax/grab,alihalabyah/grab,codevlabs/grab,alihalabyah/grab,SpaceAppsXploration/grab,subeax/grab,huiyi1990/grab,kevinlondon/grab,DDShadoww/grab,codevlabs/grab,shaunstanislaus/grab,liorvh/grab,pombredanne/grab-1,pombredanne/grab-1,giserh/grab,istinspring/grab,kevinlondon/grab