[FEATURE] Calling all parallel programmers!

[computablee]

Hey! It would be great if we had a wider array of examples that make use of some of the more niche features of OpenMP.NET. The two current parallel programs don't make great use of a lot of the library functions (the GEMM is embarrassingly parallel and the HeatTransfer isn't much more in-depth). If anyone wants to port their favorite parallel algorithm to C#, it would be really cool to see usage of OpenMP.NET and added to the examples folder in this repo!

Please just make sure it's well-commented :)

[computablee]

Update: Conjugate gradient has been implemented, and @jestes15 and I are currently implementing K nearest neighbors and particle filtering from the Rodinia suite. Still want more, though!

[computablee]

Current wishlist:

1. A parallel algorithm that makes extensive use of the tasking system, including dependencies.
2. An example in Visual Basic .NET.
3. An example in F#.