Log Message:
Add cloc 1.72

cloc counts blank lines, comment lines, and physical lines of source
code in many programming languages, with the following features:

  * Reads user-supplied language comment definition files
  * Allows results from multiple runs to be summed together by
    language and by project.
  * Produces results in a variety of formats: plain text, XML, YAML,
    CSV.
  * Counts code within compressed archives (tarballs, Zip files, Java
    .ear files).
  * Has numerous troubleshooting options.
  * Handles file and directory names with spaces and other unusual
    characters.