add gperf dep for a2ps
escape placeholder in specified unpack cmd
fix bbFTP easyconfig, specify CC such that 'cc' is no longer used to build
fix cURL sanity check
Revert "escape placeholder in specified unpack cmd"

This reverts commit ff03d425ae6b06fb667e1bc81b0ac6f551523c9b.
Revert "get rid of unescaped '%'s in bzip2 description"

This reverts commit b2808445984741a4489289794656aec83731a346.
add gnutls and nettle dependencies for lftp