Update modulefile and fixtures to use puppetlabs/inifile

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

Change-Id: I6100bafa67ad5a1cb747712622d584aed8066fe4
Fix lint failures

This commit fixes the lint failures from
the glance module.

It's pretty picky about classes being defined
anywhere (even in tests)

This commit removes the class from the tests so
that puppet-lint is happy.

Change-Id: I0257479fb450ed2fbb6876fb73fc695e4a1f7c49
Puppet Forge release 2.1.0

Updated README.md for Puppet Forge release.
Updated Modulefile for Puppet Forge release.

Change-Id: I35bef63352419a4596b0f877f86b911cb4a4bd4b
(cherry picked from commit 9a09177d888ff2b60044edf8e75a5d99538fe2d0)
Fix some puppet lint warnings.

Puppet-lint likes the ensure's to come first.

Change-Id: I9ecd8213c140e51769258c03038082fb98a2bd34
(cherry picked from commit 86868bd15c803e25e249133df91c4e0dcfb2938a)
update fixtures for grizzly

Change-Id: Ibef078995f6adf73dda2de9f7072f8330249ac5c
Include iso as supported disk_format

iso is a supported type for disk_format, include it as
a supported property value

Change-Id: I7026a8e4bae235acaae0a9856fab8a47ccb3e49e