Add salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Replace refs to getpass.getuser() with salt.utils.get_user()
Merge pull request #11703 from terminalmage/issue11628-2014.1

Use pwd (where available) to get username (2014.1 branch)