Added OWIN version of API

Upgraded to VS2012
Further improvements
Added CachePrimer tool to generate file to be used to prime web application cache
Tweaking CachePrimer
Tweaking DTO
Added skipping of previously generated files by default, unless /overwrite option is specified
Added CachePrimer support to web application
Updated Cache Primer file
Moved Cache Priming into separate task

We can prime the cache as a secondary task. Does not need to prevent the
application starting up. Need to look at performance of cache priming
however.