Update swift drive audit script/config to latest

The swift-drive-audit-nextgen.erb is updated with the latest
swift merge and also the swift-drive config to incluse the latest
options available.
Fixed typo
updated for picking proper log file

If CentOS then it will pick jut /var/log/kern but anything else it will
be /var/log/kern.log file. Also changed Vars to lowercase
Disabling python slogging

Python slogging will not be needed for private cloud. If one
decides to deploy it for a customer than it will be one off deployed.
Disabling python slogging

Python slogging will not be needed for private cloud. If one
decides to deploy it for a customer than it will be one off deployed.

Also removing slogging related files that will no longer be needed.
Merge branch 'slogging_changes' of github.com:btorch/swift-private-cloud into slogging_changes
Merge branch 'storage_changes' into develop