implement IO::Handle.close-pipe, which returns the exit code
nqp::closefhi is now called nqp::closefh_i
bump nqp revision
bump nqp revision
add two arg candidates to infix min and max

This is about 30x faster for the idiom: c = a min b, because we do not
have to allocate a slurpy array just to iterate over it.
For http://rosettacode.org/wiki/Draw_a_sphere#Perl_6 it results in a total
speedup of about 44%.
Merge pull request #326 from usev6/nom

Add freebsd, openbsd and netbsd to $*PERL.DISTROnames for jvm