ENH: changed shutils.copy -> copyfile to prevent permission bits from being replicated and causing a failure
DOC: added changelog note
Merge pull request #1785 from ebolyen/issue-1382

ENH: changed shutils.copy -> copyfile to prevent permission bits from being copied causing a failure.
Merge branch 'master' of git://github.com/biocore/qiime into issue-1627

Conflicts:
	ChangeLog.md