Revert "use utf-8 for stdout to fix m2ee about (and more)"

This change broke tab-completion.

This reverts commit:
v0.4.4-128-gd4578e1 [use utf-8 for stdout to fix m2ee about (and more)]
Merge branch 'develop'
update CHANGES for 0.5.8.1
set m2ee module version to 0.5.8.1