Merge branch 'jn/gitweb-plackup'

* jn/gitweb-plackup: git-instaweb: Add support for running gitweb via 'plackup' git-instaweb: Wait for server to start before running web browser git-instaweb: Remove pidfile after stopping web server git-instaweb: Configure it to work with new gitweb structure git-instaweb: Put httpd logs in a "$httpd_only" subdirectory gitweb: Set default destination directory for installing gitweb in Makefile gitweb: Move static files into seperate subdirectory