Add support for specificing `force_config_drive` in nova.conf.
Update README.md to include options for `force_config_drive`.
Merge pull request #286 from mancdaz/grizzly

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Merge branch 'grizzly' of git://github.com/rcbops-cookbooks/nova into grizzly

Conflicts:
	templates/default/nova.conf.erb
Merge pull request #281 from byronmccollum/grizzly

Add support for specifying `force_config_drive` in nova.conf.
Fix CentOS upgrade defects

* fixup /var/log/nova/nova.log to be owned by nova on upgrade
* remove openstack-nova-volume on upgrade as it is not used anymore

Fixes rcbops/chef-cookbooks/issue#446
Partially resolves DE181
Merge pull request #287 from rackerjoe/DE181

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adding in EMC multipath support
more emc multipath
fixing a couple of template and syntax issues identified by @galstrom21
fixing conditional syntax problem identified by @wkelly
renaming multipath for more general use
Fixing a FC007 problem
Merge pull request #288 from jcannava/emc_multipath

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fixing conditional syntax problem, again
Merge pull request #289 from jcannava/emc_multipath

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Clean up after jason
Merge pull request #291 from willkelly/grizzly

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changing multipath to enable_multipath in the nova provider
Merge pull request #293 from jcannava/emc_multipath

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