Issue 50:

- Fix forgetting unquotes command substitution in function vcs_relative_path.
 - Using old test instead of new test in Makefile.
 - Fix some variables for Bob in "confidence_test.sh".

bin/_blackbox_common.sh

@@ -260,7 +260,7 @@ function enumerate_subdirs() {
 function vcs_relative_path() {
   # Usage: vcs_relative_path file
   local name="$1"
-  python -c 'import os ; print(os.path.relpath("'$(pwd -P)'/'"$name"'", "'"$REPOBASE"'"))'
+  python -c 'import os ; print(os.path.relpath("'"$(pwd -P)"'/'"$name"'", "'"$REPOBASE"'"))'
 }
 
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