chore(.travis.yml): include preboot
chore(.travis.yml): include preboot

fredericksilva/universal,fredericksilva/universal,gdi2290/universal,jeffwhelpley/universal,ufo-github/universal,ufo-github/universal,dbabaioff/universal,angular/universal,ufo-github/universal,angular/universal,jeffwhelpley/universal,gdi2290/universal,gdi2290/universal,angular/universal,angular/universal,dbabaioff/universal,manekinekko/universal,gdi2290/universal,manekinekko/universal,dbabaioff/universal,fredericksilva/universal