install lighttpd to sbindir as the autoconf version
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@925 152afb58-edef-0310-8abb-c4023f1b3aa9
The main reason is improved built-speed
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@734 152afb58-edef-0310-8abb-c4023f1b3aa9