add command line options and temperature calibration

without temperature calibration 0.3%
with ~5%

model name	: Intel(R) Core(TM) i7-3615QM CPU @ 2.30GHz

run_live_debug.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+cd $(dirname $0)
+
+set -e
+
+# Python works but stutters
+#sudo ./venv/bin/python ./decode.py --live
+cargo build --example live
+TARGET=./target/debug/examples/live
+# setcap does not work yet (EPERM on socket AF_PACKET)
+# sudo setcap cap_net_raw,cap_net_admin=eip $TARGET
+#sudo strace -f -o live.strace $TARGET /dev/video0
+sudo RUST_BACKTRACE=full $TARGET "$@"