Fix transformer with echo; use filestat() instead of perl
Replace perl stat with filestat()
Replace perl with filestat()
Replace perl with filestat()
Replace perl with filestat()
Remove unused perl cruft
Merge branch 'master' of git://github.com/aappilattoq/core

Conflicts:
	tests/acceptance/10_files/03_transform/003.cf
Several fixes to acceptance tests.

Some of these were broken by attempting to cater to Windows. Others
were not broken in the sense that they fail, but in the sense that
their test coverage was reduced (uid and gid checking in particular).