a few small changes we're using for adobe revel

Hello -- we've been using your excellent splunk cookbook for several months now with great success.  The latest fix for handling the license agreement during upgrade was most appreciated!

We had to make a few changes for these cookbooks to be usable in our project, and I'm hoping they're generally useful to the rest of the community.  Here's a quick summary of the changes

1. use of cookbook_name in forwarder.rb (it is mentioned in attributes/default.rb but wasn't actually used)
2. using solo-search when running within chef solo allows for data bags with solo
3. adding the props.conf file in with inputs.conf in the role based config template directory (they go hand in hand in our setups inputs and props)

There are a few other places where I pulled out tabs and I think that's about it.  Please let me know if you have any questions or feedback. Thanks so much.