cdt and cuda makefile projects

Using Eclipse CDT with CUDA makefile projects is straightforward after a couple key steps.

1. Enable .cu filenames for CDT
   1. Window -> Preferences -> C/C++ -> File Types
      1. New...  : add .cu as a C Source File type
      2. 
2. Add Includes for the CUDA and SDK libraries
   1. Project -> Properties -> C/C++ General -> Path and Symbols
      1. Add... : CUDA includes for your project
      2. 
3. Disable some of the error checking (optional)
   1. Project -> Properties -> C/C++ General -> Code Analysis
      1. Syntax and Semantic Errors
         1. Symbol is not resolved
         2. Type cannot be resolved
         3. Field cannot be resolved
         4.