rm bak and orig files created by do-patch

- fix another linuxism
stagefy
Merge pull request #165 from reallyenglish/tomoyukis

rm bak and orig files created by do-patch and stagefy
import WIP of erchef

i almost gave up porting erchef. but import the port anyway.
Merge pull request #166 from reallyenglish/tomoyukis

import WIP of erchef
import WIP

i almost gave up porting erchef. but import the port anyway.
Merge pull request #167 from reallyenglish/tomoyukis

import WIP
update to 1.5.2

- fix COPYTREE_SHARE
fix plist
Merge pull request #168 from reallyenglish/tomoyukis

update to 1.5.2