added a note about using 'prefix' to install Wrangler into a directory other than the default '/usr/local'.
added a note about using 'prefix' to install Wrangler into a directory other than the default '/usr/local'.


bsmr-erlang/wrangler,arcusfelis/wrangler,arcusfelis/wrangler,andrzejsliwa/wrangler,tdb/wrangler,prowessproject/wrangler