Make chroot script a bit safer by 'set -e'
Make chroot script a bit safer by 'set -e'

shoreflyer/cerbero,flexVDI/cerbero,jackjansen/cerbero,GStreamer/cerbero,ikonst/cerbero,AlertMe/cerbero,nirbheek/cerbero-old,atsushieno/cerbero,ikonst/cerbero,nirbheek/cerbero,sdroege/cerbero,nzjrs/cerbero,OptoFidelity/cerbero,ylatuya/cerbero,nirbheek/cerbero-old,jackjansen/cerbero-2013,multipath-rtp/cerbero,ramaxlo/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,brion/cerbero,AlertMe/cerbero,nzjrs/cerbero,jackjansen/cerbero,EricssonResearch/cerbero,OptoFidelity/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,sdroege/cerbero,sdroege/cerbero,nicolewu/cerbero,lubosz/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,brion/cerbero,superdump/cerbero,flexVDI/cerbero,ylatuya/cerbero,jackjansen/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,ford-prefect/cerbero,davibe/cerbero,nzjrs/cerbero,nzjrs/cerbero,flexVDI/cerbero,davibe/cerbero,jackjansen/cerbero-2013,ylatuya/cerbero,ramaxlo/cerbero,shoreflyer/cerbero,nirbheek/cerbero,davibe/cerbero,BigBrother-International/gst-cerbero,fluendo/cerbero,multipath-rtp/cerbero,GStreamer/cerbero,shoreflyer/cerbero,justinjoy/cerbero,AlertMe/cerbero,ford-prefect/cerbero,nicolewu/cerbero,superdump/cerbero,jackjansen/cerbero-2013,ramaxlo/cerbero,ikonst/cerbero,OptoFidelity/cerbero,OptoFidelity/cerbero,centricular/cerbero,superdump/cerbero,nirbheek/cerbero-old,ford-prefect/cerbero,multipath-rtp/cerbero,fluendo/cerbero,nirbheek/cerbero,fluendo/cerbero,EricssonResearch/cerbero,centricular/cerbero,nzjrs/cerbero,fluendo/cerbero,cee1/cerbero-mac,justinjoy/cerbero,EricssonResearch/cerbero,ramaxlo/cerbero,justinjoy/cerbero,cee1/cerbero-mac,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,ikonst/cerbero,BigBrother-International/gst-cerbero,jackjansen/cerbero-2013,atsushieno/cerbero,lubosz/cerbero,sdroege/cerbero,brion/cerbero,ikonst/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,multipath-rtp/cerbero,flexVDI/cerbero,cee1/cerbero-mac,fluendo/cerbero,davibe/cerbero,shoreflyer/cerbero,EricssonResearch/cerbero,nirbheek/cerbero,multipath-rtp/cerbero,BigBrother-International/gst-cerbero,ramaxlo/cerbero,justinjoy/cerbero,nirbheek/cerbero-old,GStreamer/cerbero,jackjansen/cerbero,jackjansen/cerbero-2013,nicolewu/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,lubosz/cerbero,ylatuya/cerbero,BigBrother-International/gst-cerbero,EricssonResearch/cerbero,ford-prefect/cerbero,BigBrother-International/gst-cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,AlertMe/cerbero,brion/cerbero,flexVDI/cerbero,atsushieno/cerbero,sdroege/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,centricular/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,GStreamer/cerbero,centricular/cerbero,cee1/cerbero-mac,shoreflyer/cerbero,GStreamer/cerbero,brion/cerbero,AlertMe/cerbero,centricular/cerbero,lubosz/cerbero