fix broken compile, close #1

- cmake: add CMAKE_CURRENT_SOURCE_DIR to CUDA_INCLUDE_DIRS
- rename use_coalescing to can_use_coalescing in alloc_internal_coalesced to avoid local and template variable conflicts
- add Rene Widera to license
- add missing blank line at end of file
Merge pull request #8 from psychocoderHPC/fix/compileErrors

fix broken compile, close #1
Add first draft of .travis.yml
Merge pull request #9 from ax3l/topic-travis

Add first draft of .travis.yml Close #7
fix g++ warnings
add missing brackets
Merge pull request #10 from psychocoderHPC/fix/compileWarnings

fix g++ warnings