Fix and update test_all.sh.

*   Perform a `git clone` of Clownfish and build on the spot.  Allow the
    option of specifying a local repo with CLOWNFISH environment var.
*   Hide Clownfish build output unless it fails.
*   Improve summary.
*   Perform a local installation of Clownfish and CFC when testing the
    Perl bindings.
1 file changed