Update modulefile and fixtures to use puppetlabs/inifile

cprice404/inifile was moved to the puppetlabs namespace on the forge
and github.

Change-Id: I853d6056273ccfeff7f03fc522afbaa6f4801b1f
Puppet Forge release 2.1.0

Updated README.md for Puppet Forge release 2.1.0
Updated Modulefile to version 2.1.0

Change-Id: Ia0c2d4c8079f825e163291e1d4ff23b0d16616e4