Various changes (see description)

* Fixed issue with generated code in Telerik Fluent so it doesn't create
a new meta data model with every single entity fetch
* Added header for output with information about the benchmark, system
it runs on and connected DB
* Added support for an autoexit command line flag (/a) which will make
the application exit after the results are displayed so they can be
easily exported to a file using command line syntax
* Removed 1 connection string for telerik as the domain one can re-use
the general one
* Adjusted the profiling method to execute the benchmarks as configured
in the statics so individual fetches can also be profiled now
*
Added FK fields to EF codebase/mappings