Updated Travis config to build feature branches
Updated Travis config to build feature branches

gdeverlant/image-builder-odroid-c2,midnightconman/image-builder-odroid-c2,gdeverlant/image-builder-odroid-c2,docbobo/image-builder-odroid-c2,docbobo/image-builder-odroid-c2,midnightconman/image-builder-odroid-c2,hypriot/image-builder-odroid-c2,hypriot/image-builder-odroid-c2