add install target to Makefile
allow use of custom port in charon.ftp
fix tartarus manpage
fix 'bzip2' typos
Added CURL_OPTIONS var for extra curl options.
New command line option, updated docs.

Added --progress|-p command line flag to enable curl progress bar, and
updated inline docs to reflect this.
added xz support
Merge branch 'master' into debian
added xz into control and changelog