Use relative creates/removes path with chdir
Use opkg module as basis for macports module

This module is pretty simplistic, it is derived from the opkg module.
Merge pull request #2242 from jmandel/devel

Allow relative creates/removes path with `chdir`
Merge pull request #2249 from jcftang/devel

Use opkg module as basis for macports module
Fix apt module documentation formatting.
fix MySQL user doc formatting issue