new icon — but most probably this will not be the final…
allow to find "cp" and other commands via busybox on old 4.1.1 — may be used for other version, I just do not know which
renamed streams in a more unix way
allow to get STDERR and STDOUT outputs in a nice way. Inspied from Chainfire libsuperuser
using new StreamBuffer, and making it work on android 4.1.1 (while still working on android 4.4.4!)