.gitignore improvements
composer: make /etc directory before placing a file inside it
utils: allow to specify extra path in which function
sergeant: be a little smarter when looking for prelink command
remapper: do not use gets on /proc/PID/mem

gets read ahead block of data when invoked if this happen on
/proc/PID/mem it can pass the current memory page limit and cause a
page fault on an unassigned page.

For this reason we are currently using ptrace instead of fgets.
Maybe we could have used fgetc...
fingerprint: more meaningfull help