This starts to fix the scripts so that they load from /usr/lib/crosutils

bin/cros_get_chrome_version

Index: bin/cros_get_chrome_version
diff --git a/bin/cros_get_chrome_version b/bin/cros_get_chrome_version
index a29cb3275f5602ca05f72c0e80e9833c97127d77..938b57a6818956f5a644dc1d02e262c3e88424ce 100755
--- a/bin/cros_get_chrome_version
+++ b/bin/cros_get_chrome_version
@@ -6,8 +6,28 @@
 
 # Returns the version of Chrome running on a remote machine.
 
-. "$(dirname $0)/../common.sh"
-. "$(dirname $0)/../remote_access.sh"
+# --- BEGIN COMMON.SH BOILERPLATE ---
+# Load common CrOS utilities.  Inside the chroot this file is installed in
+# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
+# location.
+find_common_sh() {
+  local common_paths=(/usr/lib/crosutils "$(dirname "$(readlink -f "$0")")/..")
+  local path
+
+  SCRIPT_ROOT=
+  for path in "${common_paths[@]}"; do
+    if [ -r "${path}/common.sh" ]; then
+      SCRIPT_ROOT=${path}
+      break
+    fi
+  done
+}
+
+find_common_sh
+. "${SCRIPT_ROOT}/common.sh" || (echo "Unable to load common.sh" && exit 1)
+# --- END COMMON.SH BOILERPLATE ---
+
+. "${SCRIPT_ROOT}/remote_access.sh" || die "Unable to load remote_access.sh"
 
 FLAGS "$@" || exit 1