fix package_update_command to work for pkgin on SmartOS
fix package_update_command to work for pkgin on SmartOS
fix package_update_command to work for pkgin on SmartOS
add comment explaining why the package_update_command changed
add comment for why package_update_command had to be changed for SmartOS
add comment for why package_update_command had to be changed for SmartOS
Merge pull request #266 from khushil/master

fix the package_update_command to actually do a package upgrade