dhst_cli.py: retry upload if it fails
Add script to build ZIP for Ubuntu Touch *.img files
mrom_build_all.sh: enable multiple device=... arguments
build_utouch_device_zip.sh: fix arguments parsing
record_cam.sh: script to use webcam with gstreamer
ubuntu_chroot.sh: script to enter chroot
Fix all redirections to /dev/null in bash scripts
Add Ubuntu Touch build scripts from tasemnice