Merge pull request #11 from MirantisDellCrowbar/BUG/DCB-159/release/pebbles/master

merging fix for "Bug/dcb 159/release/pebbles/master"
Merge pull request #12 from crowbar/release/pebbles/master

pull changes from dell
centos use /var/run/httpd/httpd.pid as pid file, if recipe change pidfile to something else service will not able to deal with previously started apache
to check if node rebooting we should use runlevel for rhel
initial rhel support
more logging
workaround for http://projects.puppetlabs.com/issues/2776
Fix Hardware detection after Hyper-V merge

defined? does not work on node attributes (they are
not defined, but are still available. confusing :-) )
Merge pull request #675 from MirantisDellCrowbar/feature/DCB-149-merge/pebbles/master

https://github.com/crowbar/barclamp-crowbar/pull/675

Merged by devtool for rajinir
Merge pull request #701 from dirkmueller/hardware_detection

Fix Hardware Vendor detection