bench-all: add build benchmarks and make all benchmarks options

run: fix ./run -gu broken behaviour. Document ./tmu window switch failure.

readme: move travis failed attempt to readme.

runtc

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -eu
 . common
-set -- ${cli_tc:-} "$@"
+set -- ${cli_runtc:-} "$@"
 while getopts a:gh OPT; do
   case "$OPT" in
     a)