Import runner into build_pack_utils package.
Fixed two tests based on the addition of an extra test extension.
Modified install_binary_direct to make uncompressing the installed file optional.  Defaults to uncompress it, but setting extract to False will skip this and just copy the downloaded file into the install directory.
Added utility method to get the url of a git repo.
Added fix to pull from some arbitrary directory.
Grab the GIT URL and log it.